P0882 – TCM Power Input Low
Description
The transmission control module is receiving low power.
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Compare Diagnostic ScannersSymptoms
- Harsh shifting
- Poor acceleration
- Limp mode
- No communication
- Check engine light
Causes
- Weak battery
- Faulty alternator
- Damaged wiring
- Loose connections
- TCM issue
Diagnosis
- Test battery
- Test alternator
- Inspect wiring
- Check grounds
- Scan live data
Repair
- Replace battery
- Replace alternator
- Repair wiring
- Fix grounds
- Replace TCM