OBD Codes List

Diagnostic reference · P0926

P0926

Gear Shift Reverse Actuator Circuit Low

System
Transmission (P code)
Lamp
Check Engine Light
Category
Powertrain - Transmission

What it means

P0926 means Gear Shift Reverse Actuator Circuit Low.

Where it lives

For P0926, the actuator sits on the circuit this code reports. The description of P0926 reports a fault at the actuator.

Check these first

  • A short to ground in the reverse actuator circuit
  • A chafed reverse actuator wire
  • A weak battery dragging the reverse actuator circuit
  • A failed reverse actuator coil

What to do next

  1. Read gear shift reverse actuator voltage on a scan tool
  2. Test the reverse actuator circuit for a short to ground
  3. Check the battery voltage and charging
  4. Measure the reverse actuator resistance
  5. Replace the actuator if the coil is shorted
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.