Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2002LIBERTY LIMITED EDITION 2WD V6-3.7L VIN KREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSELECTRICALLY HEATED SYSTEMSREAR DEFOGGER RELAY CONTROL CIRCUIT OPEN/SHORTED TO GROUND
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN K
Rear Defogger Relay Control Circuit Open/Shorted to Ground
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN KSECTION Rear Defogger Relay Control Circuit Open/Shorted to Ground
Tests 1 - 2:
Tests 3 - 5:
SYMPTOM
REAR DEFOGGER RELAY CONTROL CIRCUIT OPEN/SHORTED TO GROUND
WHEN MONITORED
With the ignition ON.
SET CONDITION
When the BCM detects no voltage on the Rear Window Defogger Control circuit due to an open or shorted to ground.
POSSIBLE CAUSES
- Code active
- Relay open or shorted
- Junction block rear window defogger relay control shorted to ground
- Junction block - rear window defogger relay control open
- Body control module
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.