OBD-II Code · Transmission
P0702
Transmission Control System Electrical
high severityDo not drive$200-$2,000
Electrical fault in TCM circuits.
Common symptoms
- Limp mode
- CEL
Likely causes
- Wiring
- Failed TCM
Where to start
- Try the cheapest cause first. Start by checking: wiring.
- Cost & scope. $200-$2,000
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there. Don't keep driving with this one active — risk of damage.
Related codes
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