P0149 - Fuel Timing Error

The ECM detected a fault in fuel timing control.

Code Overview

The ECM detected a fault in fuel timing control.

Common Causes

• Fuel timing control fault
• Sensor or actuator issue
• Wiring or PCM control problem

Diagnostic Steps

1. Check for related timing or fuel-control codes
2. Inspect sensor and actuator wiring
3. Compare command and actual timing data if supported

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.