P0813

Reverse Output Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Problems engaging reverse gear
The gearbox goes into emergency mode
Unstable transmission operation
No signal on the instrument panel when reverse gear is engaged

Causes

Open or short circuit in reverse circuit
Gear position sensor malfunction
Wiring Harness Problems
Malfunction of the transmission control unit
Mechanical damage to transmission components

How to Fix

Check the integrity of the reverse circuit wiring
Test the gear position sensor
Check connections and connectors
Diagnose the transmission control unit
If necessary, replace faulty components

Related codes

P0810 P0811 P0812