P1872

Transmission Mechanical 4-Wheel Drive Axle Lock Lamp Circuit Failure

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–56 (est.)

Symptoms

Axle lock indicator does not light up when turned on
The axis lock indicator is constantly on
The axis lock indicator is flashing
Unable to activate all-wheel drive mode
Check Engine light comes on

Causes

Burnt out indicator lamp
Open or short circuit in wiring
Faulty relay
Problems with contacts in connectors
Transmission control module (TCM) malfunction

How to Fix

Check the indicator lamp on the dashboard
Check the integrity of wiring and connectors
Check relay functionality
Scan the transmission control module for additional errors
If necessary, replace faulty components

Related codes

P1870 P1871 P1873