OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P07EC?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen or shorted select wire
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Range Select Switch, Wiring Harness
Related codes
- P07E9Transmission Range Control A Circuit Performance
- P07EATransmission Range Control A Circuit Low
- P07EBTransmission Range Control A Circuit High
- P07EDTransmission Range Multi-Function Select Circuit Stuck
- P07EETransmission Range Multi-Function Select Circuit Range/Performance
- P07EFTransmission Range Multi-Function Select Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.