OBD-II code · Powertrain (generic)
P07F5 Transmission Range Control Module System Voltage Low
The range control module reports its supply voltage below the operating threshold — vehicle battery low, charging system underperforming, or supply line resistance excessive. The module may stop responding until voltage recovers.
Is it safe to drive with P07F5?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyWeak vehicle battery
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
- 0.4–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- Range Control Module, Vehicle Battery
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.