P0015: Exhaust Camshaft Position Timing - Over-Retarded (Bank 1)
8 vehicles · 3 makes · $100-$32,000 repair
Most Reported On
P0015 is an OBD-II diagnostic trouble code meaning “Exhaust Camshaft Position Timing - Over-Retarded (Bank 1).” This code means the exhaust camshaft on Bank 1 is timed more retarded (later) than the computer commanded. Engines with variable valve timing use a cam phaser, controlled by oil pressure and a solenoid, to advance or retard camshaft position for better power, economy, and emissions. When the computer commands a position but the actual exhaust cam stays too far retarded, it sets P0015. This usually points to an oil-flow or phaser problem and can cause rough idle, reduced power, and poor fuel economy. This code is most commonly reported on 2007-2016 MINI Cooper, 2012-2018 BMW 3 Series, and 2014-2016 BMW 4 Series, plus 5 other vehicles, with repair costs ranging from $100 to $32,000.
Common Causes
Typical Repair Cost
Based on 8 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P0015, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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Vehicles Affected (8)
VANOS Solenoid/System Issues
N20 Timing Chain Guide Failure (428i)
VANOS High-Pressure Pump & Line Failure (CATASTROPHIC) - E60 M5
S63 VANOS Solenoid Failure - E70/F85/F95 X5 M
VANOS Solenoid & System Failure - E85/E89 Z4 (All Engines)
FAQ
What does P0015 mean?
P0015 stands for "Exhaust Camshaft Position Timing - Over-Retarded (Bank 1)." This code means the exhaust camshaft on Bank 1 is timed more retarded (later) than the computer commanded. Engines with variable valve timing use a cam phaser, controlled by oil pressure and a solenoid, to advance or retard camshaft position for better power, economy, and emissions. When the computer commands a position but the actual exhaust cam stays too far retarded, it sets P0015. This usually points to an oil-flow or phaser problem and can cause rough idle, reduced power, and poor fuel economy.
What are the most common causes of P0015?
The most common causes of P0015 are: Low or dirty engine oil restricting phaser operation, Stuck or clogged variable valve timing (oil control) solenoid, Failed exhaust camshaft phaser/actuator, Clogged oil control valve screen or oil passages, Stretched or worn timing chain, Wiring or connector fault at the VVT solenoid, Incorrect cam timing from prior service, Faulty PCM/ECM (rare). The specific cause varies by vehicle.
How much does it cost to fix P0015?
Repair costs for P0015 range from $100 to $32,000, depending on the vehicle and root cause.
Which vehicles are affected by P0015?
Au7o has documented P0015 across 8 vehicle models from 3 manufacturers: BMW, Hyundai, MINI.
Sources (6)
- ForumM5Board - S85 VANOS High Pressure Oil Line Failure / Class Action Discussion
- ForumReddit r/MechanicAdvice: BMW X5 M S63 VANOS Solenoid Failure Help
- videoYouTube: How to Replace VANOS Solenoids on BMW S63 Engine - F85 X5 M
- videoKnown Channel Repair Video: Replacing VANOS Solenoids on MINI GP N18 Engine
- NHTSANHTSA Vehicle Complaints for 2007 Hyundai Santa Fe
- ForumReddit r/MechanicAdvice - Hyundai Santa Fe CVVT Actuator Failure Help
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.