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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSJEEP2011LIBERTY RENEGADE, PART TIMEREPAIR AND DIAGNOSISTRANSMISSIONTRANSFER CASE(FINAL DRIVE CONTROL MODULE (FDCM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGC140D-TRANSFER CASE MOTOR CONTROL CIRCUIT OPENDIAGNOSTIC TEST

2011 Jeep Liberty Renegade, Part Time

Diagnostic Test

2011 Jeep Liberty Renegade, Part TimeSECTION Diagnostic Test

DTC IS ACTIVE
1. Ignition on, engine not running.
2. With the scan tool, record and erase DTCs.
3. Test drive the vehicle.
4. Ignition on, engine not running.
5. With the scan tool, read DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Go To 2.
  No
  - Go To 7.
(T315) STEP MOTOR CONTROL B CIRCUIT OPEN

Fig 1: Checking Step Motor Control B Circuit Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off to the lock position
2. Disconnect the Transfer Case Motor harness connector.
3. Disconnect the FDCM C2 harness connector.
4. Measure the resistance of the (T315) Step Motor Control A circuit from the Transfer Case Motor harness connector to the FDCM C2 harness connector.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Repair the (T315) Step Motor Control B circuit for an open.
  - Perform the TRANSFER CASE VERIFICATION TEST. Refer to TRANSFER CASE VERIFICATION TEST .
  No
  - Go To 3.
(T316) STEP MOTOR CONTROL C CIRCUIT OPEN

Fig 2: Checking Step Motor Control C Circuit Open
Courtesy of CHRYSLER LLC
1. Measure the resistance of the (T316) Step Motor Control C circuit from the Transfer Case Motor harness connector to the Final Drive Control Module C2 harness connector.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Repair the (T316) Step Motor Control C circuit for an open.
  - Perform the TRANSFER CASE VERIFICATION TEST. Refer to TRANSFER CASE VERIFICATION TEST .
  No
  - Go To 4.
(T315) STEP MOTOR CONTROL B CIRCUIT VOLTAGE

Fig 3: Checking Step Motor Control B Circuit For Short To Voltage
Courtesy of CHRYSLER LLC
1. Ignition on, engine not running.
2. Measure the voltage of the (T315) Step Motor Control B circuit at the Transfer Case Motor harness connector.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T315) Step Motor Control B circuit for a short to voltage.
  - Perform the TRANSFER CASE VERIFICATION TEST. Refer to TRANSFER CASE VERIFICATION TEST .
  No
  - Go To 5.
(T316) STEP MOTOR CONTROL C CIRCUIT VOLTAGE

Fig 4: Checking Step Motor Control C Circuit For Short To Voltage
Courtesy of CHRYSLER LLC
1. Measure the voltage of the (T316) Step Motor Control C circuit at the Transfer Case Motor harness connector.
  Is the voltage above 0.5 of a volt?
  
  Yes
  - Repair the (T316) Step Motor Control C circuit for a short to voltage.
  - Perform the TRANSFER CASE VERIFICATION TEST. Refer to TRANSFER CASE VERIFICATION TEST .
  No
  - Go To 6.
TRANSFER CASE MOTOR

Fig 5: Checking Transfer Case Motor Harness Connector
Courtesy of CHRYSLER LLC
1. Reconnect the Transfer Case Motor harness connector.
2. Measure the resistance between the (T315) Step Motor Control B circuit and the (T316) Step Motor Control C circuit at the Final Drive Control Module C2 harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Replace the Final Drive Control Module in accordance with the Service Information.
  - Perform the TRANSFER CASE VERIFICATION Refer to TRANSFER CASE VERIFICATION TEST .
  No
  - Replace the shorted Transfer Case Motor in accordance with the Service Information.
    Replace the Final Drive Control Module in accordance with the Service Information.
  - Perform the TRANSFER CASE VERIFICATION. Refer to TRANSFER CASE VERIFICATION TEST .
INTERMITTENT WIRING HARNESS AND CONNECTORS
1. The conditions necessary to set this DTC are not present at this time.
2. Using the wiring diagram/schematic as a guide, inspect the wiring harness and connectors.
3. Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
4. Look for the data to change or for the DTC to reset during the wiggle test.
5. While monitoring the scan tool data relative to this circuit, move the selector switch to each position several times.
6. Look for the data to change other than as expected or for the DTC to reset.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the TRANSFER CASE VERIFICATION. Refer to TRANSFER CASE VERIFICATION TEST .
  No
  - Test complete.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.