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 MANUALSJEEP2014COMPASS LIMITED, AWD, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM (ABS) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGC1039-REAR WHEEL SPEED SENSOR CIRCUIT HIGHDIAGNOSTIC TEST

2014 Jeep Compass Limited, AWD, Automatic CVT Trans

Diagnostic Test

2014 Jeep Compass Limited, AWD, Automatic CVT TransSECTION Diagnostic Test

CHECK FOR DTC C1039-REAR WHEEL SPEED SENSOR CIRCUIT HIGH
NOTE:
This DTC must be active for the results of this test to be valid.
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs.
  Does the scan tool display: C1039-REAR WHEEL SPEED SENSOR CIRCUIT HIGH active?
  
  Yes
  - Go To 2
  No
  - The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK CONNECTOR/TERMINAL FOR DAMAGE
NOTE:
Check all terminals for broken, bent, pushed out, or corroded terminals.
1. Turn the ignition off.
2. Inspect the TIPM harness connector, Right Rear WSS, and Right Rear WSS harness connector.
  Is the Right Rear WSS or any of the connectors/terminals damaged?
  
  Yes
  - Repair as necessary.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK (B2) RIGHT REAR WSS 12 VOLT SUPPLY CIRCUIT VOLTAGE

Fig 1: Checking Right Rear WSS 12 Volt Supply Circuit Voltage
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the Right Rear WSS harness connector.
2. Turn the ignition on.
3. Measure the voltage of the (B2) Right Rear WSS 12 Volt Supply circuit.
  Is the voltage above 10.0 volts?
  
  Yes
  - Go To 5
  No
  - Go To 4
CHECK (B2) RIGHT REAR WSS 12 VOLT SUPPLY CIRCUIT FOR AN OPEN

Fig 2: Checking Right Rear Wheel Speed Sensor 12 Volt Supply Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Connect a jumper wire between ground and the (B2) Right Rear WSS Supply circuit in the TIPM harness connector.
2. Using a 12-volt test light connected to 12-volts, probe the (B2) Right Rear WSS Supply circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Replace the TIPM in accordance with the Service Information.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the (B2) Right Rear WSS Supply circuit for an open.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK (B1) RIGHT REAR WSS SIGNAL CIRCUIT FOR AN OPEN

Fig 3: Checking Right Rear WSS Signal Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Connect a jumper wire between ground and the (B1) Right Rear WSS Signal circuit in the Anti-Lock Brakes Module harness connector.
2. Using a 12-volt test light connected to 12-volts, probe the (B1) Right Rear WSS Signal circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go To 6
  No
  - Repair the (B1) Right Rear WSS Signal circuit for an open.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK (B1) RIGHT REAR WSS SIGNAL CIRCUIT SHORT TO VOLTAGE

Fig 4: Measuring Voltage Between Right Rear WSS Signal Circuit & Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition on.
2. Remove all jumper wires.
3. Measure the voltage between the (B1) Right Rear WSS Signal circuit and ground.
  Is the voltage above one volt?
  
  Yes
  - Repair the (B1) Right Rear WSS Signal circuit for a short to voltage.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 7
CHECK (B1) RIGHT REAR WSS SIGNAL CIRCUIT FOR A SHORT TO (B2) RIGHT REAR WSS 12 VOLT SUPPLY CIRCUIT

Fig 5: Measuring Resistance Between Right Rear WSS Signal Circuit & Right Rear WSS Supply Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance between the (B1) Right Rear WSS Signal circuit and the (B2) Right Rear WSS Supply circuit.
  Is the resistance above 5.0 ohms?
  
  Yes
  - Go To 8
  No
  - Repair the (B1) Right Rear WSS Signal circuit and the (B2) Right Rear WSS Supply circuit for a short together.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
RIGHT REAR WHEEL SPEED SENSOR
1. Replace the Right Rear Wheel Speed Sensor in accordance with the Service Information.
2. Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  WARNING:
  To avoid possible serious or fatal injury, check brake capability is available before road testing.
3. With the scan tool, read TIPM DTCs.
  Did DTC C1039-REAR WHEEL SPEED SENSOR CIRCUIT HIGH reset?
  
  Yes
  - Replace the TIPM in accordance with the Service Information.
  - Perform ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test Complete.

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.