Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSJEEP2009COMPASS SPORT, 2.4 B, ED3, AWD, AUTOMATIC CVTREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESDTCS B106B TO B1638 (TIPM)B106D-REAR DEFROST CONTROL CIRCUIT OPENDIAGNOSTIC TEST

2009 Jeep Compass Sport, 2.4 B, ED3, AWD, Automatic CVT

Diagnostic Test

2009 Jeep Compass Sport, 2.4 B, ED3, AWD, Automatic CVTSECTION Diagnostic Test

CHECK FOR ACTIVE DTC B106D-REAR DEFROST CONTROL CIRCUIT OPEN
1. Turn the ignition on.
2. With the scan tool, record and erase the DTCs.
3. Operate the rear defogger switch several times.
4. With the scan tool, read the DTCs.
  Does the scan tool display active DTC: B106D-REAR DEFROST CONTROL CIRCUIT OPEN?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
VISUAL AND PHYSICAL INSPECTION OF THE CONNECTOR AND TERMINAL
1. Turn the ignition off.
2. Check for signs of corrosion build up and damage at all connection points.
  NOTE: Make sure all in-line connectors are inspected for corrosion and damage.
3. Disconnect the electric heated backlite (power) 1-way connector.
4. Disconnect the electric heated backlite (ground) 1-way connector.
5. Disconnect the TIPM C8 harness connector.
6. Visually inspect the wiring harness. Look for any chafed, pierced, pinched or partially broken wires hidden in the wire insulation.
  Were any of the above conditions found?
  
  Yes
  - Repair or replace as necessary.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 3
(C515) REAR DEFOGGER CONTROL OUTPUT CIRCUIT OPEN

Fig 1: Checking Rear Defogger Control Output Circuit For Open
Courtesy of CHRYSLER LLC
1. Connect any disconnected in-line connectors.
2. Measure the resistance of the (C515) Rear Defogger Control Output circuit between the TIPM C8 harness connector and the electric heated backlite (power) 1-way harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go to step 4
  No
  - Repair the open in the (C515) Rear Defogger Control Output circuit.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
CHECK THE WINDOW DEFOGGER GRID AND (Z905) GROUND CIRCUIT
1. Connect the electric heated backlite (ground) 1-way connector.
2. Using a 12-volt test light connected to 12-volts, check the electric heated backlite (power) terminal at the window defogger grid.
  Does the test light illuminate?
  
  Yes
  - Go to step 6
  No
  - Go to step 5
(Z905) GROUND CIRCUIT OPEN

Fig 2: Checking Ground Circuit For Open
Courtesy of CHRYSLER LLC
1. Disconnect the electric heated backlite (ground) 1-way connector.
2. Using a 12-volt test light connected to 12-volts, check the (Z905) ground circuit at the electric heated backlite (ground) 1-way connector.
  Does the test light illuminate brightly?
  
  Yes
  - Repair the open in the rear window defogger grid in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Repair the open in the (Z905) Ground circuit.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
TOTALLY INTEGRATED POWER MODULE (TIPM)
NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage or terminal push out. Repair as necessary.
1. Using the schematics as a guide, inspect the wire harness and connectors.
2. Pay particular attention to all Power and Ground circuits.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - 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 .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.