OBD-II code · Powertrain (generic)
P0667 Control Module Internal Temperature Sensor A Range or Performance
Same as P0666 with the signal in plausible range yet not matching the engine bay environment.
Is it safe to drive with P0667?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySensor element drifted
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Ecu Internal Temperature Sensor A
Related codes
- P06ACControl Module Internal Temperature Sensor B Range or Performance
- P0664Intake Manifold Tuning Valve Control Circuit Low Bank 2
- P0665Intake Manifold Tuning Valve Control Circuit High Bank 2
- P0666Control Module Internal Temperature Sensor A Circuit
- P0668Control Module Internal Temperature Sensor A Circuit Low
- P0669Control Module Internal Temperature Sensor A Circuit High
- P066ACylinder 1 Glow Plug Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.