OBD-II Trouble Codes

P0015 Code: Exhaust “B” Camshaft Position Timing – Over – Retarded (Bank 1)

Reading Time: 3 minutes

Hard starting and poor idling are only some of the issues your vehicle may experience in relation to camshaft timing. If you’re experiencing these symptoms along with the check engine light, it may be time to make a trip to your auto repair shop. If you have a scan tool with you, you may choose to check the problem yourself.

If your scanner reads a P0015 code and you’re wondering what it means, you’re reading the right article.

What Does the P0015 Code Mean?

Diagnostic trouble code (DTC) P0015 stands for Exhaust “B” Camshaft Position Timing – Over – Retarded (Bank 1). This code involves your vehicle’s camshaft timing, specifically your variable valve timing (VVT) also known as variable camshaft timing (VCT). The P0015 code will be triggered once the powertrain control module or PCM detects that your vehicle’s camshaft timing is over-retarded.

Modern vehicles use a variable timing system to adjust the timing of your intake and/or exhaust valves to increase your vehicle’s performance and fuel efficiency. Once the PCM detects that the camshaft does not respond accordingly (camshaft timing is too slow or delayed), it will trigger the error code P0015.

Note: The definition of code P0015 may be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.

What are the Possible Causes of the P0015 Code?

Code P0015 may be triggered due to several reasons. Here are some of the possible triggers of the code:

engine timing chain
The P0015 code may set if there are potential issues with the engine timing chain or belt.

What are the Common Symptoms of the P0015 Code?

Aside from an illuminated check engine light, this error code may cause several drivability problems. Here are some of the common ones to watch for:

How to Diagnose the P0015 Code

Diagnosing a P0015 code may prove challenging. Signs of hard starting, poor idling, and stalling are general symptoms that may also be due to other faults in your engine. If you’re not well-versed with auto repair, we recommend that you bring your vehicle to an auto repair shop for proper diagnosis. An experienced professional would know how to properly identify what is causing the problem.

However, if you’re an automotive DIYer and you want to diagnose this code yourself, you may look at your manufacturer’s repair information for diagnostic strategies.

mechanic at work
If you’re not familiar with auto repair, it is best to leave the job of fixing the P0015 code to a trusted professional.

How to Fix the P0015 Code

There is no universal fix for a P0015 code. Diagnostic and repair procedures may vary depending on your vehicle’s year, make, and model. For example, repair steps for a P0015 in a BMW may differ from a P0015 in a Mercedes. If you’re not familiar with auto repair, it is best to leave the job to a trusted professional.

However, if you have the automotive repair skills to fix the code yourself, online auto repair sources and guides are available to help you identify the repair steps that are compatible with your vehicle. We also recommend getting an ALLDATA single-vehicle subscription to help you with your repairs.

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