Error code

OBD2 P0015

OBD2P0015
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

'B' Camshaft Position - Timing Over-Retarded.

Severity

highThe vehicle may be drivable but with significant performance and fuel efficiency issues. It is recommended to address the issue promptly.

Summary

P0015 indicates that the camshaft position on bank 1 (exhaust/right/rear) is timing over-retarded compared to the crankshaft.

Symptoms

  • Poor idling
  • Poor performance
  • Engine misfiring
  • Hard starting
  • Stalling
  • Poor fuel mileage

Common Causes

  • Dirty oil (lack of maintenance)
  • Timing belt/chain stretched or skipped a tooth
  • Camshaft timing control valve issues
  • VVT actuator malfunction
  • Wiring harness damage or corrosion
  • ECM fault

Diagnosis

  1. Check oil quality and change if necessary.
  2. Inspect camshaft position sensor for physical damage or loose connections.
  3. Verify timing belt/chain condition and adjust as needed.
  4. Test camshaft timing control valve resistance.
  5. Consult service manual for specific procedures.

Fixes

  • Replace dirty oil and filter, inspect and repair wiring harness if damaged.
  • Adjust or replace the timing belt/chain as needed.
  • Repair or replace camshaft position sensor and control valve.

FAQ

What does P0015 mean?

P0015 indicates that the camshaft timing on bank 1 is over-retarded compared to the crankshaft, causing performance issues.

How do I fix P0015?

Fixes include changing dirty oil and filters, inspecting and repairing wiring harnesses, adjusting or replacing the timing belt/chain, and repairing or replacing faulty sensors and control valves.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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