Transmission Code

P1479 TRANSMISSION FAN CONTROL RELAY

When Monitored and Set Condition: P1479 - TRANSMISSION FAN CONTROL RELAY
When Monitored: With the ignition on Battery voltage greater than 10 volts.
Set Condition: An open or shorted circuit is detected in the Transmission fan relay control circuit.

POSSIBLE CAUSES:
TRANSMISSION FAN RELAY INTERMITTENT OPERATION
INTERMITTENT CONDITION
FUSED IGNITION SWITCH OUTPUT CIRCUIT
TRANSMISSION FAN RELAY RESISTANCE
TRANSMISSION FAN RELAY CONTROL CIRCUIT OPEN
TRANSMISSION FAN RELAY CONTROL CIRCUIT SHORT TO GROUND
PCM