P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
2006-2011 BMW 325i 3.0L I6 N52
Moderate SeverityPowertrainGeneric (SAE)
Description
The intake camshaft timing for Bank 1 is more retarded than the PCM commanded position.
Symptoms
- Check Engine Light
- Loss of power
- Poor acceleration
- Rough idle
Common Causes
- VVT solenoid failure
- Low oil pressure
- Oil passage blockage
- Timing chain wear
Diagnostic Steps
- Check oil level and condition
- Test VVT solenoid
- Check oil pressure
- Monitor cam timing with scan tool
Repair Notes
Replace VVT solenoid or clean oil passages.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
- P0016Crankshaft Position/Camshaft Position Correlation Bank 1 Sensor A
P0012 on Other Vehicles
Common Questions
What does code P0012 mean on a 2006-2011 BMW 325i?
P0012 stands for "Intake Camshaft Position Timing Over-Retarded Bank 1". The intake camshaft timing for Bank 1 is more retarded than the PCM commanded position.
What are the symptoms of P0012 on a BMW 325i?
Common symptoms of P0012 include: Check Engine Light, Loss of power, Poor acceleration, Rough idle.
What causes P0012 on a 2006-2011 BMW 325i?
Common causes of P0012 include: VVT solenoid failure, Low oil pressure, Oil passage blockage, Timing chain wear.