Diagnostic Test

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THAT THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, erase DTCs.
3. With the scan tool, actuate the Cabin Heater 1 Relay.
4. Monitor the scan tool for at least two minutes.
5. With the scan tool, read DTCs.
  Does the scan tool display active: B10B5-CABIN HEATER 1 CONTROL CIRCUIT HIGH?
  
  Yes
  - Go to step 2
  No
  - The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE (K132) CABIN HEATER RELAY 1 CONTROL CIRCUIT FOR SHORT TO VOLTAGE

Fig 1: Checking Cabin Heater Relay 1 Control Circuit For Short To Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C1 harness connector.
3. Remove the Cabin Heater Relay 1.
4. Turn the ignition on.
5. With a volt meter, measure the voltage on the (K132) Cabin Heater Relay 1 Control circuit.
  Does the volt meter read 1.0 volt or above?
  
  Yes
  - Repair short to voltage on the (K132) Cabin Heater Relay 1 Control circuit.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go To step 3
TOTALLY INTEGRATED POWER MODULE

Fig 2: Checking Totally Integrated Power Module (TIPM)
Courtesy of CHRYSLER LLC
1. Turn the ignition on.
2. With the scan tool, erase DTCs.
3. With the scan tool, actuate the Cabin Heater 1 Relay.
4. Monitor the scan tool for at least two minutes.
5. With the scan tool, read DTCs.
  Does the scan tool display active: B10B5-CABIN HEATER 1 CONTROL CIRCUIT HIGH?
  
  Yes
  - Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Cabin Heater Relay 1 in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .