LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2012 >> Compass Latitude, 2.4 B, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 587 ((Transmission Control Module (TCM) - Electrical Diagnostics - Nag1 Automatic Transmission)) >> DTC Troubleshooting >> P0501-Vehicle Speed Sensor 1 Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Charger and 2015 Dodge Charger. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THE TIPM OR BCM FOR DTCS 
    1. With the scan tool, check for TIPM or BCM DTCs.

      Does the TIPM or BCM report the DTC U0001-CAN C BUS DTC or U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE?

      Yes 

      No 

      • Go To  2
  2. CHECK FOR ABS DTCS 
    1. With the scan tool, check for ABS DTCs.

      Are there any ABS DTCs present?

      Yes 

      No 

      • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information.
      • Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to NAG1 TRANSMISSION VERIFICATION TEST  .