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 MANUALSJEEP2008LIBERTY SPORT, RWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 233 (DTCS B163C TO B2112 (TIPM))B1648-REAR RIGHT TURN CONTROL CIRCUIT HIGHDIAGNOSTIC TEST

2008 Jeep Liberty Sport, RWD, Standard

Diagnostic Test

2008 Jeep Liberty Sport, RWD, StandardSECTION Diagnostic Test

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

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Clear all TIPM DTCs.
3. Turn the Right Turn Signal on.
4. With the scan tool, read DTCs.
  Does the scan tool read: B1648-REAR RIGHT TURN CONTROL CIRCUIT HIGH?
  
  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 .
RIGHT REAR TURN SIGNAL BULB
1. Turn the ignition off.
2. Inspect the Right Rear Turn Signal Bulb Assembly.
  Is the inoperative bulb OK?
  
  Yes
  - Go to step 3
  No
  - Replace the Inoperative bulb in accordance with the service information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
(L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT OPEN

Fig 1: Checking Right Rear Turn Signal Control Circuit For Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C3 harness connector.
3. Disconnect the Right Rear Tail Lamp harness connector.
4. Measure the resistance of the (L62) Right Rear Turn Signal Control circuit.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Repair the (L62) Right Rear Turn Signal Control circuit for an open.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 4
(L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT SHORTED TO VOLTAGE

Fig 2: Checking Right Rear Turn Signal Control Circuit For Short To Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition on.
2. Measure the (L62) Right Rear Turn Signal Control circuit for short to voltage.
  Is there any voltage present?
  
  Yes
  - Repair short to voltage on the (L62) Right Rear Turn Signal Control circuit.
  - 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 .

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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.