42-Rear Mode OVERCURRENT (MTC): Notes

WARNING: This page is about a different car, the 2007 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Actuator Door Circuit Diagram

Courtesy of CHRYSLER LLC

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

When Monitored:
When actuator movement is requested.
Set Condition:
If the A/C Heater Control detects an excessive current draw on any of the door driver circuits while attempting to drive this door actuator. Note that only one overcurrent DTC can set per ignition cycle.

Possible Causes
DOOR DRIVER CIRCUIT(S) SHORTED TO VOLTAGE
DOOR DRIVER CIRCUIT(S) SHORTED TO GROUND
DOOR DRIVER CIRCUITS SHORTED TOGETHER
FRONT MODE DOOR ACTUATOR
REAR MODE DOOR ACTUATOR
LEFT BLEND DOOR ACTUATOR
RECIRCULATION DOOR ACTUATOR
A/C HEATER CONTROL

NOTE: This DTC must be active for the results of this test to be valid. Do not perform this test if this DTC is stored. Refer to *HVAC SYSTEM TEST (MTC) for stored DTC test procedures.