Bmw code p052b

2009 BMW 335i, 3.0L; Issue + Repair History. Code P052B (2A7A) for VANOS (Variable Intake Timing) control fault, boost pressure deactivation, and misfire codes; Initially brought in for oil leak repair; no driveability issues prior; Post-repair, experienced rough idle and recurring codes; Oil change and inspection of cam sensors conducted; no ...

Detailed repair manual for the 2011 BMW 335xi Sedan AWD (E90) L6-3.0L Turbo (N55). ... Turbo (N55) >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P052B. P052B 131501 - P052B ... Fault code 131501 - P052B Fault text VANOS, inlet, cold start: not controllable Fault description The ...The Mini Cooper is a sporty, economy car produced since 2001 by BMW. The new Mini bears a resemblance to the original British-made Mini that was introduced in 1959. The Mini's comp...2011 bmw x3 code 130e01 cranshaft - intake camshaft synchronization camshaft signal out of limit value And code cd9304 bsd bit lateral interface data bus comunication fault. ... I have a 2010 BMW 328i xdrive. Have code P052b. Car has issues starting but once starting it is fine.BMW takes pride in positioning itself as an elite luxury vehicle, except in the realm of electrics. The company has entered the electric car market with its i3 four-seater city car...I have a 2010 BMW 328i xdrive. Have code P052b. Car has. I have a 2010 BMW 328i xdrive. Have code P052b. Car has issues starting but once starting it is fine. Had camshaft sensors changed and checked for vacuum leak plus oil change ...P052B - Cold Start A Camshaft Position Timing Over-retarded (b1) These faults are most likely caused by : Camshaft Position (CMP) Sensor; Engine Oil Level Low; ... 2011 BMW 328I, HAS CODES 2A7C, AND 2A82 VANOS INLET COLD START VANOS INLET IT STARTS TO RUN ROUGH, ...2011 328i N51 SULEV 2A7C Code. ... however after this happens my car then develops a weird diesel like ticking and i have a engine code. Generic code comes up as P052b once i placed it on a family shops Zeus scanner i received a 2A7C code for a cold inlet start over retarded Bank 1. ... A forum community dedicated to BMW owners and enthusiasts ...Hi I have a 2013 bmw x1 with an n20 engine that has a code p052b. Prior to the code it says low oil pressure on the dash. I did an oil change and after that the car wont start anymore. Tried to check … read more

Nissan TSB NTB12-067 Make: Nissan Number: NTB12-067 Title: 2013 Altima Sedan Mil "On" With DTC P052B Date: 8/14/2012 Models: 2013 Altima Summary: The MIL is "ON" with DTC P052B (CAMSHAFT POSITION TIMING B1) stored in the ECM AND There are no drivability concerns.5 Series. E60 / E61 (2004 - 2010) Help p052b/p054b. Jump to Latest Follow. 9K views 4 replies 4 participants last post by keetonjohn May 16, 2020. 535i_Biturbo Discussion starter. 129 posts · Joined 2013. #1 · Dec 9, 2014 (Edited) My car was driving completely fine, idle/acceleration smooth, no stumbling, no codes, etc.Rebuilt 135i with SES code P054B/P052B and serpentine belt making noise. Bimmerpost ☰ Model Selection. 1. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018 ... BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) ...Hi I have a 2013 bmw x1 with an n20 engine that has a code p052b. Prior to the code it says low oil pressure on the dash. I did an oil change and after that the car wont start anymore. Tried to check … read moreCold Start A Camshaft Position Timing Over Retarded BMW Code 131508: Message Closed. Vehicle Data 2011 BMW 528i . VIN: WBAFR1C59B : Engine: 3.0 L / 6 cyl / GAS: Trans: 8-speed Automatic (Electronic) Delivery: Fuel Injection: Emissions: OBD-II Compliant: Symptoms: MIL Lamp On: Occurs: Cold: Trouble Codes. P052B: Cold Start A Camshaft Position ...A subreddit for BMW technical support. ... E90 N52 engine 2A7C and P052B codes . Hi. I have a 2011 328xi with about 58,000 miles or 93000 km. Engine oil changed a few months ago and not much has been driven. It has always idled a bit rough after starting The other day, it gave me these codes. I took out the vano solenoid and cleaned them.What is the Cost to Diagnose the Code P052B Volkswagen? Labor: 1.0. To diagnose the P052B Volkswagen code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type.

P052b p054b. Jump to Latest ... 2008 535xi 137000 miles with the infamous 52b and 54b codes...got the car about a year ago and havent had too many problems, misfire codes a few months ago, new plugs and coils and intake valve cleaning solved that...2 months ago the water pump started leaking from the inlet pipe...the car sat for about 5 weeks ...Apr 26, 2017 · But runs really rough. Codes are p052b cold start A camshaft position timing over retarded p15df cold start fuel pressure too low p300 Random misfire and p301 cylinder 1 misfire. 2002 525i. 03-12-2020, 07:34 AM #3. I did start it up and with Torque I found misfire codes on cylinders 4, 5, 6 and P045B and P052B which is "Cold start camshaft position timing over retarded BANK 1" for the A+B camshafts. ... etc. etc. After all that the rod bearings are a piece of cake. This is my second time doing this job on a BMW. The first was on my N54 which looks ...LIKE | SHARE | SUBSCRIBEBMW Diagnostic Test to Detect the faulty Camshaft Position Sensor || BMW P13B6 Fault Code || BMW ECU || BMW e90 n47 engine.#bmwcamsha...

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The first and most common cause for the P0456 fault code is a disconnected hose or a crack in the evaporative emissions system. To trigger the P0456 code, the leak doesn't need to be large, but just enough to alter the pressure in the system. It can be a hairline crack in the evaporation hose or a faulty connection between the hose and the ...25 posts · Joined 2007. #1 · Mar 14, 2008. Ever since picked up new from dealership, my 535i exhibited a intermittent cold start problem, that is, on some morning the engine would start, but missing really badly, and it would clear itself up in about 10 seconds. There were two time it got really bad that it stayed missing for about 5 minutes.The Mini Cooper is a sporty, economy car produced since 2001 by BMW. The new Mini bears a resemblance to the original British-made Mini that was introduced in 1959. The Mini's comp...Hey guys, just had the check engine come on and when I checked the code it was a P1030. What does this mean and what are the possible reasons? Thanks Sent from my SM-G955U1 using Bimmerfest mobile app . Save Share. ... 2010 BMW 550i MT 2003 BMW 325i @216k and counting 1998 BMW 528i MT @ 231k //sold 1997 Saab 9000 //sold. Save Share ...

BMW code P052B is a trouble code that indicates an issue with the engine oil pressure control system. It means that there is a low oil pressure condition, which …Just recently had an oil change. Then 2 days later got the Drivetrain Malfunction displayed. I went and checked the code: P13C9: VANOS, exhaust: control fault, camshaft stuck. From the BMW DTC Sheet: The diagnostic function monitors the camshaft timing adjustment. Potential Causes - Contaminated oil passage at VANOS solenoid valve.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0012 Saving Repair Parts...I have a 2010 BMW 328i xdrive. Have code P052b. Car has. I have a 2010 BMW 328i xdrive. Have code P052b. Car has issues starting but once starting it is fine. Had camshaft sensors changed and checked for vacuum leak plus oil change ...The P0340 code in BMW vehicles indicates a problem with the camshaft sensor inlet signal. This can cause a range of issues, including poor performance, reduced fuel efficiency, and even engine failure. Fortunately, there are several fixes that can help resolve this issue and get your BMW back on the road.When this occurs, timing issues may result from inaccurate readings from the camshaft position sensor for a number of reasons, including a malfunctioning crankshaft position …I have a 2010 BMW 328i xdrive. Have code P052b. Car has. I have a 2010 BMW 328i xdrive. Have code P052b. Car has issues starting but once starting it is fine. Had camshaft sensors changed and checked for vacuum leak plus oil change ...END OF SPECIAL NOTES. OBD II fault code P0301 is a generic trouble code that is defined as, “P0301 – “Cylinder 1 – misfire detected”, and is set when the PCM (Powertrain Control Module) detects misfires on cylinder#1. Note that on BMW vehicles, the PCM (Powertrain Control Module) is known as the DME (Digital Motor …BMW Model Discussions. 5 Series. F10 / F11 (2011 - 2016) 528i won't start and is throwing codes P052B and P0016 ... Hi I'm new to the Bimmer world and I just recently got a 2011 528i and about 3 weeks into having it I got the codes P052B and P0016, which are cam and crankshaft codes so I got new position sensors for both and just installed ...The P1727 BMW code refers to a transmission slip malfunction, specifically related to the input shaft speed sensor. This code is commonly found in BMW vehicles and indicates a problem with the transmission's ability to accurately measure the rotational speed of the input shaft. The P1727 code signals an issue with the transmission's ...I took my 2011 BMW 528i in to the dealership for warranty work. My car was bouncing rpms on startup and having a rough idle. The engine was noisy and sounded...

If any such Fault Code was saved when Engine Temp was at or near "fully warm" (80-95C), and/or when RPM was at or near idle (650-1,500 RPM) then that suggests Low Oil Pressure as a cause. 3) The first two steps are simply "evidence" of an oil pressure issue, possibly due to oil filter Cover/ cartridge installation issues.

The P052B code is a problem that should be immediately taken to the mechanic because it is a highly complex, not to mention, severe issue. The ECM is majorly affected with this kind of problem, which is why a technician should take a look at your vehicle if this trouble code or related ones appear. Typically, the ECM has not detected the ... I got a 2011 bmw 335i xdrive got a code p052b wanderd of you can help me. Answered in 15 minutes by: Steve. Category: BMW. Satisfied Customers: 30,657. Experience: BMW Expert. hello.#1 · Dec 9, 2014 (Edited) My car was driving completely fine, idle/acceleration smooth, no stumbling, no codes, etc. I just changed the plugs last week and everything has been …Codes are p052b cold start A camshaft position timing over retarded p15df cold start fuel pressure too low p300 Random misfire and p301 cylinder 1 misfire I haven't had a chance to hook up ista to get the Bmw specific codes yet.Code : P13C9. Make : BMW. Description : P13C9 BMW VANOS Exhuast Control Fault Camshaft Stuck. Possible causes : - Exhaust Camshaft. Solutions : - Carry out a Reset via CarDiag. - Choose a better quality fuel. - Check that the tank cap is securely closed.BMW CAMSHAFT POSTION SENSOR REPLACEMENT BMW F30 F31 F34 320i 328iIf you have BMW F30 or F32, F34 and you need replace the intake camshaft postion sensor / ex...BMW Group and Mercedes-Benz AG have punted on what was meant to be a long-term collaboration to develop next-generation automated driving technology together, less than a year afte...

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I do notice a bit of power loss while casual driving but nothing crazy. OBD codes. P052B - Cold start A camshaft position timing Over-Retarded bank 1. P054B - Cold start B Camshaft position timing over-retarded bank 1. Control unit codes. 2A7C DME: Vanos, inlet, cold start. 2A7A DME: Variable camshaft timing control, exhaust, cold start.Thanks for the update. The codes P052B and 2A7C are the same. The P code is the OBD2 relevant and the 4 digit the BMW code. P052B 2A7C DME: Variable camshaft timing control, intake, cold start As the fault still stays on the intake side after the solenoids are swapped, I can see these possibilities. A control issue from the engine control moduleI have codes P054B and P013C9, BMW 328i 2018 2013, 141500, Check equine light with oil low pressure - Answered by a verified BMW Mechanic. We use cookies to give you the best possible experience on our website. ... I have a 2010 BMW 328i xdrive. Have code P052b. Car has issues starting but once starting it is fine.The code happened and my car went into limp mode. Restated it at home and it acted normal again, but hooking up an ODBDII to it and pulling codes showed a P052B Powertrain 'pending fault'. My 2009 335i has …BMW Vanos E70 Code P052B. Factory replacement 'Pre-Cat' O2 Sensor (Lambda Sensor) for the 2011-2013 Cooper (non-S) This is the O2 sensor located BEFORE the catalytic . BMW MINI COOPER remplacement 11367534776 Vanos électrovanos anneau EUR 2,61 PicClick FR. Enkei QUALITY, strength, and light weight at a great After many years of begging and ...A DTC, short for Diagnostic Trouble Code or Fault Code, is a code used to diagnose malfunctions in a vehicle. While the malfunction indicator lamp (MIL)—also known as the check engine light—alerts drivers that there is an issue, a DTC identifies what and where the issue is. These DTCs can be read and cleared with the YOUCANIC Scanner.You need to be going to a BMW specialist that knows what he's doing and can read BMW codes, not the generic equivalent P code ASE and BMW Master Certified Technician. 03-02-2014, 04:27 PM #3. eman2007. View Profile View Forum Posts Member Join Date Oct 2012 Posts 193. Just replace the crankshaft sensor on my 07 530 .. ...Rebuilt 135i with SES code P054B/P052B and serpentine belt making noise Page BMW Series Coupe Forum Series Convertible Forum (1M tii 135i 128i, Walker Products Cam/Crank Sensors are engineered using the highest quality components to ensure proper OE fit, form and Walker, one of the A bad/clogged solenoid can absolutely cause rough idling and misfires and that OBD code. Squealing could easily be an unrelated issue such as a belt not properly tightened. Edit: Get yourself a BMW code reader and you won't have to guess about the causes nearly as much. Edit 2: And you might verify that your oil level is showing ok for good ... ….

Feb 15, 2019 · CHANGED MY VALVE COVER NOW HAVE P052B CODE. 2A7C VANOS INLET COLD START. 2011 328XI. RESET BUT AS SOON AS I START IN - Answered by a verified BMW Mechanic The P0012 is a trouble code that often pops in OBD2 scans of BMWs and it means Intake Camshaft Position Timing- Over-Retarded (Bank 1). To explain in a simple manner, this code indicates that the engine control module (ECM) has picked up that the variable camshaft timing is over-retarded. The P0012 signals to the of the engine.P054b p052b. Jump to Latest ... I have a 2012 BMW 328i f30 n20 changed my valve cover and now I'm getting trouble codes p054b p052b what could have caused this? ... This code is often associated with issues related to the camshaft timing. When changing the valve cover, it's crucial to ensure that the timing components, such as the timing ...BMW code P052B is a trouble code that indicates an issue with the engine oil pressure control system. It means that there is a low oil pressure condition, which …First: confirm you have P052B Fault Code. Here is BMW Fault Code Lookup Definition: If your Bluedriver can display Live Data, I would observe Intake Cam Timing, and/or Intake VANOS Solenoid function, at Cold Start, to see if issue is intermittent, if it clears as engine warms and Oil Viscosity lessens, etc.I have a 2006 bmw 325i with these codes P0128 P107a P1017 P0012 P0175 P1030 The car will turn on and then turn off the front headlights won't turn on at all anymore either. ... I have a 2010 BMW 328i xdrive. Have code P052b. Car has issues starting but once starting it is fine.For this reason, they've designed the VVT system. P054B (Cold Start B Camshaft Position Timing Over-Retarded Bank 1) is a code that alerts the operator that the ECM monitored an "overly"- retarded VVT position for camshaft timing on bank 1. Normally due to cold start up. The failure of this VVT self-test stems from the exceeded minimum ...I didn't have any tools for pulling BMW-specific diagnostic codes; however, when I plugged up my OBD-II scanner, I received P052B - Cold Start A Camshaft Position Timing Over-Retarded Bank 1. At that point, I was ignorant of variable timing and read many forum posts, and watched a whole bunch of Youtube videos on the topic.16796 posts · Joined 2017. #4 · Jul 14, 2021. P15E8 MINI - External Engine Off Timer Engine Off Time Too Short in Correlation to Cooling-Down Of Engine Coolant. thermostat housing perhaps or ecu issue where its not seeing correct values on cool down and warm up, would first ensure the bleed screw on top of thermo housing is undone and bleed ... Bmw code p052b, I do notice a bit of power loss while casual driving but nothing crazy. OBD codes. P052B - Cold start A camshaft position timing Over-Retarded bank 1. P054B - Cold start B Camshaft position timing over-retarded bank 1. Control unit codes. 2A7C DME: Vanos, inlet, cold start. 2A7A DME: Variable camshaft timing control, exhaust, cold start., - YouTube. 2011-13 BMW 528i Rough Idle - VANOS Issue - Code P052b Resolved! Masry Motors. 2.92K subscribers. Subscribed. 69. 14K views 3 years ago. I took my 2011 BMW 528i in to the..., A luxury car for drivers and passengers alike. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Terms of Use and ..., Feb 6, 2017 · My 2011 328i is throwing an obd code of p052b. I want to fix this myself. What would be the first thing I look for that would show a replacement of cam shaft sensor or vanos silinoid. Also this high reassure release sound happens when I'm going down hill or breaking med hard where the nose goes down a bit or parked downhill. , skiz said: Somewhat new to the forums and want to pick some minds about my code p052B. It happened after two 30 mile trips (gassed up in middle of trip). Shutting it off, then starting up. The code happened and my car went into limp mode., I got a 2011 bmw 335i xdrive got a code p052b wanderd of you can help me. Answered in 15 minutes by: Steve. Category: BMW. Satisfied Customers: 30,657. Experience: BMW Expert. hello., BMW E90 VANOS Solenoid Replacement. Jump to Photos. 377 Comments. Project Time: 2 hours. Tab: $165. Talent. Tools: Set of sockets, Flathead screwdriver. Parts Required: VANOS solenoid, O-ring, VANOS solenoid fastener. Performance Gain: Remedy fault codes and restore engine performance., P0128 is a common diagnostic trouble code for BMW vehicles, indicating a low coolant temperature, which could be caused by a faulty thermostat or a coolant leak. To diagnose and fix this issue, follow these steps: 1. Check the coolant level and condition: Make sure the coolant level is topped up and inspect the coolant for any signs of …, 2015 bmw 550i xdrive throwing p13c0 and p052b, the car idles rough, rpms fluctuate on cold start and will stall when too cold, ... The fact that the fault codes P13C0 and P052B remained on the same bank 1 after swapping the sensors suggests the issue isn't sensor related. This eliminates one possibility but highlights the need to explore other ..., Burning smell in engine | Find answers to your 2013 BMW X5 question from certified mechanics and auto experts. Burning smell in engine | Find answers to your 2013 BMW X5 question from certified mechanics and auto experts. ... Code 2C57; P052b warning, p0302 and engine reduced output warnings mean; 2013 BMW X5 Estimates. AC Condenser Replacement ..., LIKE | SHARE | SUBSCRIBEBMW Diagnostic Test to Detect the faulty Camshaft Position Sensor || BMW P13B6 Fault Code || BMW ECU || BMW e90 n47 engine.#bmwcamsha..., The trouble code P052B can be identified as Cold Start A Camshaft Position Timing Over-Retarded Bank 1. The variable camshaft timing position for an over-advanced camshaft timing is monitored by the powertrain control module during cold start up. If the camshaft timing will exceed a maximum calibrated value or might remain in an advanced ..., Vehicle was driven an additional 50 miles with no engine malfunction warning and/or faults returning. Logistic Counter: 40. Frequency: 1. SAE Code: P052B. Kilometre Reading: 10432. Engine Speed: 2000 RPM. Relative Air charge: 65.25%. Intake valve angle widens relative to LWOT: -1.28 Degrees crankshaft angle. Camshaft, Inlet, Setpoint angle ..., Just recently had an oil change. Then 2 days later got the Drivetrain Malfunction displayed. I went and checked the code: P13C9: VANOS, exhaust: control fault, camshaft stuck. From the BMW DTC Sheet: The diagnostic function monitors the camshaft timing adjustment. Potential Causes - Contaminated oil passage at VANOS solenoid valve., I went and got a code reader and I am getting the P052B code. The weird thing is that I get the drive train malfunction until the car stops idling rough - which last about 30 seconds. ... The Ultimate BMW Forum > BMW Models > 5 Series (E28, E34, E39, E60, E61, F10, G30) > 2011-2016 (F10) > P052B code with rough idle. PDA. View Full Version ..., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., P052B OBD Code. A few months ago, I had to replace the VVT solenoid in my 2016 Rogue. Today, coming home from the store, the check engine light comes on. My ODB scanner gives me P052B code, which is "Cold Start A Camshaft Position Timing Over Retarded Bank 1.". Does anyone have any experience with this code?, The Ford Code P052B can also be set if the VCT11 valve is stuck open. This valve controls the camshaft timing; if it is stuck open, the timing will be off. The best way to solve this issue is to check the VCT11 valve for any obstructions and replace it if needed. Recommended article: Ford Code P061C., This parts shop description says that code P0584B indicates that the Cold Start "B" Camshaft Position Bank 1 timing was over-retarded for a predetermined period of time. I went home and started researching. ... Yein, as BMW changed over to 1 letter and 6 numbers in the newer cars, but lets not argue the small stuff . Darin Current: 16 220i ..., One of the most common codes that BMW owners may encounter is the P052B code. This code indicates a problem with the cold start 'A' camshaft position timing being over-retarded on bank 1. If you're experiencing this issue, it's important to understand what it means and how to fix it., I took my 2011 BMW 528i in to the dealership for warranty work. My car was bouncing rpms on startup and having a rough idle. The engine was noisy and sounded..., What engine? Either way check oil level. Has it been changed recently? If that’s good, swap the vanos solenoids side to side. If code moves then it’s solenoids. If not adjusters need to be looked into. 63K subscribers in the BmwTech community. A subreddit for …, skiz said: Somewhat new to the forums and want to pick some minds about my code p052B. It happened after two 30 mile trips (gassed up in middle of trip). Shutting it off, then starting up. The code happened and my car went into limp mode., =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0022 Saving Repair Parts..., The P052B fault code is related to the Variable Camshaft Timing (VCT) position during cold start up. The Powertrain Control Module (PCM) monitors the camshaft timing to ensure it …, To fix the automobile fault code P1285, follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code. 3. Look for any damaged components. 4. Check for broken, bent, pushed out, or corroded pins in the connectors., In the event that the engine overheats or when knock sensors are activated, ignition timing is retarded by the PCM to prevent engine damage. If ignition timing cannot be controlled by the PCM, a code P050B will be stored and a malfunction indicator lamp (MIL) may be illuminated. Most vehicles will require multiple ignition cycles with a failure ..., Code P052b intake timing retarded too much. Did anyone have this code in the past? How did you fix it? It happened twice in the last 3 months on early morning cold start. I turned the engine off, check the codes with my innova 3160 scanner, clear codes, and restart with no issues. Engine runs great. Some forums recommend vanos, or cam sensor., The P054B: “Cold Start B Camshaft Position Timing Over Retarded (Bank 1)” code indicates that the camshaft position timing for Bank 1 is over-retarded during a cold start. This code typically arises from issues within the engine’s timing system or its electronic controls. It may be triggered by a variety of factors, ranging from mechanical …, You need to be going to a BMW specialist that knows what he's doing and can read BMW codes, not the generic equivalent P code ASE and BMW Master Certified Technician. 03-02-2014, 04:27 PM #3. eman2007. View Profile View Forum Posts Member Join Date Oct 2012 Posts 193. Just replace the crankshaft sensor on my 07 530 .. ..., What is the Cost to Diagnose the Code P052B Volkswagen? Labor: 1.0. To diagnose the P052B Volkswagen code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type., The P052B fault code is related to the Variable Camshaft Timing (VCT) position during cold start up. The Powertrain Control Module (PCM) monitors the camshaft timing to ensure it is not over-retarded. If the timing exceeds a maximum calibrated value or remains in a retarded position, the test fails and triggers the P052B code., Causes for this P052A trouble code may include: The crankshaft position sensor is faulty. The camshaft position sensor is damaged. The intake valve timing control solenoid valve is defective. The intake valve timing intermediate lock control solenoid valve is flawed. The signal pick-up portion of the camshaft has accumulated debris.