Powertrain
generic / SAE
P07EC
Transmission Range Multi-Function Select Circuit
General electrical fault on the multi-function transmission range select circuit — used on shift-by-wire systems with rotary or push-button selectors that encode P/R/N/D as a multi-bit pattern. With the input invalid the TCM cannot decode the operator request.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / EC
Possible causes
- Open or shorted select wire 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: 120–600 €
- Estimated time: 0.5–2 h
- Component: range select switch
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012