Error code
OBD2 P0667
OBD2P0667
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
PCM/ECM/TCM Internal Temperature Sensor Range/Performance.
Severity
moderateCan be driven, but may cause long-term damage if not addressed.
Summary
P0667 indicates an issue with the internal temperature sensor in the Powertrain Control Module (PCM), Engine Control Module (ECM), or Transmission Control Module (TCM). This code suggests that the sensor is not functioning properly within its expected range.
Common Causes
- Poor connection
- Wiring issues
- Faulty internal temperature sensor
Fixes
- Replace the faulty internal temperature sensor in the PCM/ECM/TCM.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0600Serial Communication Link
- P0601Internal Control Module Memory Check Sum Error
- P0602Control Module Programming Error
- P0603Internal Control Module Keep Alive Memory (KAM) Error
- P0604Internal Control Module Random Access Memory (RAM) Error
- P0605Internal Control Module Read Only Memory (ROM) Error
- P0606ECM/PCM Processor
- P0607Control Module Performance
- P0608Control Module VSS Output 'A'
- P0609Control Module VSS Output 'B'
- P0610Control Module Vehicle Options Error
- P0611Fuel Injector Control Module Performance