OBD-II code · Powertrain (generic)
P07F2 Transmission Range Control Module Communication Circuit
General fault on the communication line between the TCM and a separate transmission range control module (used on systems where the rotary/push-button selector lives in its own intelligent module that talks to the TCM via CAN or LIN).
Is it safe to drive with P07F2?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyBus fault between modules
- PossibleFailed range control module
- Less likelyGateway module routing CAN messages incorrectly
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
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Range Control Module, Communication Bus
Related codes
- P07EFTransmission Range Multi-Function Select Circuit Low
- P07F0Transmission Range Multi-Function Select Circuit High
- P07F1Input/Turbine Shaft Speed Sensor C Circuit
- P07F3Transmission Range Control Module Communication Circuit Low
- P07F4Transmission Range Control Module Communication Circuit High
- P07F5Transmission Range Control Module System Voltage Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.