OBD-II code · Powertrain (generic)
P052D Cold Start A Camshaft Position Timing Over-Retarded Bank 2
Same as P052B on bank 2. The camshaft position sensor identifies which cylinder is on the compression stroke — without it the ECM cannot run sequential injection or coil-on-plug ignition correctly.
Is it safe to drive with P052D?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPhaser stuck in retarded position
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–5 h
- Emissions test
- Likely to fail
- Parts involved
- Cam Phaser A B2, Oil Supply
Related codes
- P052BCold Start A Camshaft Position Timing Over-Retarded Bank 1
- P054BCold Start B Camshaft Position Timing Over-Retarded Bank 1
- P054DCold Start B Camshaft Position Timing Over-Retarded Bank 2
- P052ACold Start A Camshaft Position Timing Over-Advanced Bank 1
- P052CCold Start A Camshaft Position Timing Over-Advanced Bank 2
- P052EPCV Regulator Valve Performance
- P052FGlow Plug Control Module 1 System Voltage
- P0530A/C Refrigerant Pressure Sensor "A" Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.