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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> DRIVEABILITY - Diesel - Diagnostic Tests >> P1102-Viscous/Cabin Heater Relay Excessive Current; P1102-Viscous/Cabin Heater Relay Open Circuit; P1102-Viscous/Cabin Heater Relay Short Circuit; P1102-Viscous/Cabin Heater Relay Short To Ground >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION

ASD RELAY OUTPUT CIRCUIT OPEN

CABIN HEATER RELAY

CABIN HEATER RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE

CABIN HEATER RELAY CONTROL CIRCUIT SHORTED TO GROUND

CABIN HEATER RELAY CONTROL CIRCUIT OPEN

ENGINE CONTROL MODULE

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