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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (3.2L - DTCS P061A To P1697) >> DTC Troubleshooting >> P152A-Engine Hood Switch Ajar While Driving >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR OTHER DTCS 
    1. Refer to the recorded DTCs.

      Are there any Vehicle Speed Sensor DTCs active or pending?

      Yes 

      No 

      • Go To  2
  2. CHECK THE VEHICLE SPEED SENSOR SIGNAL 
    1. Test drive the vehicle.
    2. Perform several stop and go events.
    3. With the scan tool, monitor the vehicle speed signal input.

      Does the vehicle speed drop to zero and hold consistently when the vehicle is stopped?

      Yes 

      No 

      • Diagnose the faulty vehicle speed input. Check for any Service Bulletins that may apply.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST, 3.2L .