P0607
PowertrainPcm Internalhigh severityControl Module Performance
What P0607 Means
The PCM is not performing within expected parameters.
Symptoms
- Check Engine Light
- Various issues
- Possible limp mode
Common Causes
- PCM internal issue
- Power supply problem
- Software glitch
Diagnostic Steps
- Check PCM power and grounds
- Reprogram PCM
- Check for TSBs
Where to start: Reprogram or replace PCM.
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