C1618

AWC CAN Local Data System

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Disabling the all-wheel drive system
Poor handling on slippery surfaces

Causes

Open or short circuit in the CAN bus wiring harness
Malfunction of one of the AWC system modules
Problems with power supply of AWC modules
Corrosion of CAN bus connectors
Malfunction of the AWC central control unit

How to Fix

Carry out computer diagnostics to clarify the nature of the malfunction
Visually check the integrity of the wiring harness and connectors of the AWC system
Check power and ground of AWC modules
If necessary, replace damaged wires or connectors
Flashing or replacing faulty system modules

Related codes

C1600 C1601 C1610