Powertrain
generic / SAE
P07F3
Transmission Range Control Module Communication Circuit Low
Range control module communication line reads stuck low — bus shorted to ground or one node held the line low continuously.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / F3
Possible causes
- Bus shorted to ground high
- Gateway module routing CAN messages incorrectly low
- CAN terminating resistor (120 Ω) drifted out of spec low
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: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 0.8–4 h
- Component: range control module
- Component: communication bus
- MIL / check engine light
Sources
References
sae:J2012