Common Symptoms
- Check Engine Light illuminated
- Intermittent engine stalling or rough running
- Transmission shifting irregularly or erratically
- Engine may enter limp mode under certain temperature conditions
- No noticeable drivability issues in some cases
Most Likely Root Causes
- Failed PCM internal temperature sensor
- PCM internal circuit fault or component degradation
- Corroded or damaged PCM connector causing moisture ingress
- Software calibration issue in powertrain control module
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Component Location
The internal temperature sensor is located inside the powertrain control module (PCM), typically mounted in the engine compartment near the firewall.
Manufacturer Notes
This code typically indicates an internal PCM fault requiring module replacement or in some cases a software reflash may resolve the issue.
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