Powertrain, generic · Transmission

P07F5 Transmission Range Control Module System Voltage Low

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modePossible

The transmission range control module is the separate shift-by-wire control unit that reads the selector and drives the range actuator. P07F5 means its supply voltage is too low. No manufacturer document available to us uses the generic code, but GM checks exactly this under its own P17B0: battery voltage at the range control module at or below 9 V for 5 s within a 6 s window, type C without MIL. With too little voltage the actuator may not set the range or park pawl reliably; GM also suspends further checks of the module. A weak battery or a resistance in the module's fuse, supply or ground is the usual cause.

Likely causes

Weak battery or charging system
Fuse, supply or ground wire of the module with high resistance
High actuator motor current on a weak supply

Symptoms

  • Shift warning
  • Range or park lock reacts late or not at all
  • Often together with battery voltage codes

Repair estimate

DifficultyEasyDIY possible
Parts and labour€0–300
Time0.3–1.5 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

shift by wire modulebatterypower supply wiring

Related codes

P0562P07F2P272AP272B

References: law.cornell.edu, gsi.ext.gm.com.