B1043–PANEL MODE DOOR 1 CONTROL CIRCUIT OPEN (ATC)

For a complete wiring diagram Refer to Section 8W.

When Monitored:
When actuator movement is requested.
Set Condition:
If the (C266) Front Mode Door Driver circuit or the (C66) Front Mode Door Common Driver circuit is open.

Possible Causes

(C266) FRONT MODE DOOR DRIVER CIRCUIT OPEN

(C66) FRONT MODE DOOR COMMON DRIVER CIRCUIT OPEN

FRONT MODE DOOR ACTUATOR

A/C HEATER CONTROL

1.CHECK FOR ACTIVE CONTROL CIRCUIT/PERFORMANCE DTCs

Does the scan tool display any active: XXXX CONTROL CIRCUIT/PERFORMANCE DTCs?

Yes

Diagnose and repair the DTC(s). Refer to the Table of Contents in this Section for a complete list of HVAC related symptoms.

2.CHECK THE FRONT MODE DOOR ACTUATOR CIRCUIT RESISTANCE

Is the resistance above 70.0 ohms?

Yes

Replace the A/C Heater Control in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

3.CHECK THE (C266) FRONT MODE DOOR DRIVER CIRCUIT FOR AN OPEN

Is the resistance below 5.0 ohms?

Yes

Repair the (C266) Front Mode Door Driver circuit for an open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

4.CHECK THE (C66) FRONT MODE DOOR COMMON DRIVER CIRCUIT FOR AN OPEN

Is the resistance below 5.0 ohms?

Yes

Replace the Front Mode Door Actuator in accordance with the Service Information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).

Repair the (C66) Front Mode Door Common Driver circuit for an open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).