Diagnostic Test

2023 Jeep Renegade TrailhawkSECTION Diagnostic Test
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
    3. With the scan tool, read the Left Blind Spot Sensor (LBSS) DTCs.

      Is the DTC active?

      Yes 

      • Go To Step  2.

      No 

  2. CHECK LEFT BLIND SPOT SENSOR VIN 
    1. Connect the diagnosis equipment to the Left Blind Spot Sensor and check the Current VIN and the Original VIN.

      Is the Current VIN and Original VIN the same?

      Yes 

      No 

      • Because the current and original VIN numbers do not match, check recent repair work that has been performed; and if this part was swapped from another vehicle. Install the original parts to their corresponding vehicles.
      • If parts have been returned to their correct vehicles, turn the ignition from "OFF" to "ON" two times. Return to Step  1.
      • For all other conditions, replace the Left Blind Spot Sensor in accordance with the Service information. Refer to MODULE, BLIND SPOT, REMOVAL AND INSTALLATION .
      • Perform the BODY VERIFICATION TEST .
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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.