2017-10-10
Illuminated 4
wheel drive warning light
Issues engaging or disengaging the 4
wheel drive system
Reduced traction or performance in 4
wheel drive mode
No response when attempting to engage or disengage the 4
wheel drive system.
Faulty or damaged wiring in the driveline disconnect input circuit
Loose or corroded electrical connections
Failed driveline disconnect control module
Failed driveline disconnect actuator
Driveline Switch:
Inspect and repair any damaged wiring in the driveline disconnect input circuit
Check and tighten any loose or corroded electrical connections
Replace the driveline disconnect control module if necessary
Replace the driveline disconnect actuator if necessary
See which problems come with P0818, how often it shows up in other vehicles, and how to fix it — step by step. Free on OBD DashX, in 10 languages.
See P0818 on OBD DashX