HVAC Systems - Electrical Diagnostics: Other Dodge Challenger III

Monitor Conditions

1. When Monitored: With the ignition on.

Set Conditions

1. Set Condition: If the A/C On/Off Control Switch is stuck in an On position for more than two minutes. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Possible Causes

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the Recirculation mode switch is stuck in a On position for more than two minutes. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the Electric Back light (EBL) Electronic Rear Defrost switch is stuck in an On position for more than two minutes. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the Evaporator Temperature Sensor input is out of range toward the low voltage threshold, (A/D counts reach low threshold of 16). This DTC has a maturing time of 5 seconds and a de-maturing time of 10 seconds. If the DTC's status changes from active to stored it will stay in memory for 100 ignition cycles.

Note. DTC B1031 must be active for the results of this test to be valid. Do not perform this test if DTC B1031 is stored. Refer to HVAC System Test (MTC) for stored DTC test procedures.

1. When Monitored: With the ignition on.

1. Set Condition: If the Evaporator Temperature Sensor input is out of range toward the high voltage threshold, (A/D counts reach high threshold of 240). This DTC has a maturing time of 5 seconds and a de-maturing time of 10 seconds. If the DTC's status changes from active to stored it will stay in memory for 100 ignition cycles.

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.

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control detects a short on the (C35) Mode Door Driver circuit or the (C807) Common Door Driver 2 circuit while attempting to drive this actuator.

1. When Monitored: With the ignition on.

1. Set Condition: If the Mode Door Actuator's electrical circuit is open. This DTC has a maturing time of 5 seconds and a de-maturing time of 10 seconds. If the DTC's status changes from active to stored it will stay in memory for 100 ignition cycles.

Note. DTC B1043 must be active for the results of this test to be valid. Do not perform this test if DTC B1043 is stored. Refer to HVAC System Test (MTC) for stored DTC test procedures.

1. When Monitored: During actuator calibration.

1. Set Condition: If the total span of the Mode 1 (Floor to Panel) Door is less than the low range limit.

1. When Monitored: During actuator calibration.

1. Set Condition: If the total span of the Mode 1 (Floor to Panel) Door exceeds the high range limit.

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control detects a short on any of the door driver circuits while attempting to drive this actuator. This DTC has a maturing time of 5 seconds and a de-maturing time of 10 seconds. If the DTCs status changes from active to stored it will stay in memory for 100 ignition cycles.

1. When Monitored: With the ignition on.

1. Set Condition: If the Recirculation Door Actuator's electrical circuit is open.

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 (ATC) for stored DTC test procedures.

1. When Monitored: During actuator calibration.

1. Set Condition: If the total span of the Recirculation Door is less than the low range limit.

1. When Monitored: During actuator calibration.

1. Set Condition: If the total span of the Recirculation Door exceeds the high range limit.

1. When Monitored: When actuator movement is requested.

1. Set Condition: If the A/C Heater Control detects a short to ground or to voltage on the (C32) Recirculation Door Driver, the (C33) Passenger Blend Door Driver, the (C61) Driver Blend Door Driver, the (C35) Mode Door Driver, or the (C807) Common Door Driver 2 circuits while attempting to drive the (C32) Recirculation Door Driver.

1. When Monitored: With the ignition on.

1. Set Condition: If the Left Blend Door Actuator's electrical circuit is open.

Note. DTC B1043 must be active for the results of this test to be valid. Do not perform this test if DTC B1043 is stored. Refer to HVAC System Test (ATC) for stored DTC test procedures.

1. When Monitored: During actuator calibration.

1. Set Condition: If the total span of the Left Blend Door is less than the low range limit.

1. When Monitored: During actuator calibration.

1. Set Condition: If the total span of the Left Blend Door exceeds the high range limit.

1. When Monitored: When the Cooldown Test is executed.

1. Set Condition: If the A/C system is unable to lower the evaporator temperature 11.11°C (20°F) within two minutes.

1. When Monitored: With the ignition switch on.

1. Set Condition: The A/C Heater Control has detected the system voltage is below a calibrated value.

1. When Monitored: With the ignition switch on.

1. Set Condition: The A/C Heater Control has detected the system voltage above a calibrated value.

1. When Monitored: Continuously

1. Set Condition: If the CAN Interior Bus (+) or CAN Interior Bus (-) circuit is open, shorted to voltage, or shorted to ground.

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Totally Integrated Power Module (TIPM).

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Occupant Restraint Controller (ORC).

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Cluster (CCN).

1. When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 volts. IOD fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.

1. Set Condition: Bus messages not received from the Electronic Overhead Module (EOM) for approximately two to five seconds.

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Sunroof Control Module (SCM).

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Radio.

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Amplifier (AMP).

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Hands Free Phone Module (HFM).

1. When Monitored: With the ignition on. Battery Voltage between 10 and 16 Volts. IOD fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.

1. Set Condition: Bus messages not received from the Driver Door Module (DDM) for approximately 2 to 5 seconds.

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control loses communication with the Passenger Door Module (PDM).

1. When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 volts. IOD fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.

1. Set Condition: Bus messages not received from the Heated Seat Module for approximately two to five seconds.

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C On/Off Control Switch is stuck in an On position for more than two minutes. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the Recirculation mode switch is stuck in a On position for more than two minutes. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the Electric Back light (EBL) Electronic Rear Defrost switch is stuck in an On position for more than two minutes. This DTC has a de-maturing time of one second. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: The Evaporator Temperature Sensor voltage input to the A/C Heater Control is equal to or below 0.9 volts for a continuous period of 1.2 seconds. If the A/C Heater Control detects a valid voltage, the Diagnostic Trouble Code (DTC) will change from active to stored and will stay stored for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: The Evaporator Temperature Sensor voltage input to the A/C Heater Control is equal to or above 4.8 volts for a continuous period of two seconds. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects a short to ground on the Recirculation Door Driver circuit. If the A/C Heater Control detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects a short voltage on the Recirculation Door control circuit. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects an open in the Recirculation Door control circuit. If the A/C Heater Control detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on and an actuator movement is commanded by the A/C Heater Control or during an HVAC Actuator Calibration Test.

1. Set Condition: If an actuator move is commanded by A/C Heater Control and no feedback pulses are detected in either clockwise or counterclockwise movement for the period of 15 seconds. If the A/C Heater Control detects valid feedback pulses for 15 seconds, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: When ever an Actuator Calibration Test is performed.

1. Set Condition: The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: When ever an Actuator Calibration Test is performed.

1. Set Condition: The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With ever an A/C Cooldown Test is performed.

1. Set Condition: This DTC is set whenever the A/C Cooldown Test is performed and the desired temperature drop is not achieved by the system. The DTC will go to stored after a successful A/C Cooldown Test.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects a short to ground on the Mode Door control circuit. If the A/C Heater Control detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects a short voltage on the Mode Door control circuit. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects an open in the Mode Door control circuit. If the A/C Heater Control detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on and an actuator movement is commanded by the A/C Heater Control or during an HVAC Actuator Calibration Test.

1. Set Condition: If an actuator move is commanded by A/C Heater Control and no feedback pulses are detected in either clockwise or counterclockwise movement for the period of 15 seconds. If the A/C Heater Control detects valid feedback pulses for 15 seconds, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: When ever an Actuator Calibration Test is performed.

1. Set Condition: The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: When ever an Actuator Calibration Test is performed.

1. Set Condition: The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects a short to ground on the Blend Door control circuit. If the A/C Heater Control detects valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects a short voltage on the Blend Door control circuit. If the A/C Heater Control detects a valid voltage, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: The A/C Heater Control detects an open in the Blend Door control circuit. If the A/C Heater Control detects a valid current draw, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on and an actuator movement is commanded by the A/C Heater Control or during an HVAC Actuator Calibration Test.

1. Set Condition: If an actuator move is commanded by A/C Heater Control and no feedback pulses are detected in either clockwise or counterclockwise movement for the period of 15 seconds. If the A/C Heater Control detects valid feedback pulses for 15 seconds, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: When ever an Actuator Calibration Test is performed.

1. Set Condition: The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is less than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: When ever an Actuator Calibration Test is performed.

1. Set Condition: The A/C Heater Control uses a pulse feedback to the controller to detect the total door movement range. If the amount of pulses required to move the door completely in both directions is greater than what the controller has stored in its memory, this DTC will set. If an Actuator Calibration Test is performed or during normal operation and the A/C Heater Control detects a valid range of the door movement span in both directions, the DTC will change from Active to Stored and will stay in the controllers memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the internal blower circuit is less than 0.05 of a volt or greater than 4.95 volts for a period of 1200 msec.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the Twilight or Ambient Light Sensor input voltage is less than 1.05 volts for period of 1.2 seconds.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the Twilight or Ambient Light Sensor input voltage is greater than 4.83 volts for period of 1.2 seconds.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: If the Auto Headlamps Signal input voltage is less than 4.3 volts and greater than 1.5 volts for period of 1.2 seconds. If the DTCs status changes from active to stored, the DTC will stay in memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: If the controller system voltage or ignition voltage broadcast over the BUS is lower than monitored controller voltage the for period of 60 seconds.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously with the ignition on.

1. Set Condition: If the controller system voltage or ignition voltage broadcast over the BUS is higher than monitored controller voltage the for period of 60 seconds.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the controller battery voltage is less than or equal to 10.0 volts for period of 5.0 seconds.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the controller battery voltage is higher than 16.0 Volts for period of 1.0 second.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the A/C Heater Control has an internal fault. This Diagnostic Trouble Code (DTC) has a maturing time of five seconds and a de-maturing time of 10 seconds. If the DTCs status changes from active to stored it will stay in memory for 100 ignition cycles.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: With the ignition on.

1. Set Condition: If the stored configuration does not match the configuration stored in the controller.

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/HVAC - Standard Procedure .

1. When Monitored: Continuously when the ignition is on. Battery voltage between 10 and 16 Volts. Ignition Off Draw (IOD) fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.

1. Set Condition: The A/C Heater Control detects a short to ground or a short to voltage on the CAN Bus circuits.

1. When Monitored: Continuously when the ignition is on. 12-volt battery voltage between 10 and 16 Volts. Ignition Off Draw (IOD) fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.

1. Set Condition: Bus messages not received from the Totally Integrated Power Module (TIPM) for three seconds.

1. When Monitored: With the ignition on. Battery voltage between 10 and 16 Volts. Ignition Off Draw (IOD) fuse installed. Totally Integrated Power Module (TIPM) is configured correctly.

1. Set Condition: Bus messages not received from the Cluster/CCN for approximately two to five seconds.