B3618

Exterior Liftgate Unlatch Switch Circuit Malfunction

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

The back door does not open with the button
No response to remote opening
The malfunction indicator on the instrument panel lights up

Causes

Broken or damaged wiring harness
Short circuit in the circuit
Malfunction of the rear door opener switch
Problems with the control unit

How to Fix

Check wiring harness for damage
Check the resistance and continuity of the switch circuit
Replace the rear door opener switch if necessary
Check/replace the control unit if it is suspected of being faulty

Related codes

B3619 B3620 B3621