Powertrain
generic / SAE
P0702
Transmission Control System Electrical
A general electrical fault is detected in the transmission control system. The TCM has flagged a circuit problem (open, short, or supply issue) without specifying which component. Look up additional codes from the TCM for detail.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 02
Possible causes
- Wiring fault inside transmission high
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–5 h
- Component: tcm
- Component: transmission wiring
- MIL / check engine light
Sources
References
sae:J2012