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Home >> Dodge and Ram >> 2012 >> Caliber SXT Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U1401-Implausible Engine Speed Signal Received >> Diagnostic Test
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Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK IF THE DTC IS ACTIVE 
    1. With the scan tool, read Transmission DTCs.

      Is the status Active or is the Starts Since Set counter 2 or less for this DTC?

      Yes 

      • Go To  2.

      No 

      • Go To  4.
  2. CHECK FOR FCM/TIPM CAN BUS DTCS 
    1. With the scan tool, read FCM DTCs.

      Are there any FCM/TIPM CAN BUS DTCs present?

      Yes 

      • Refer to DTC INDEX and perform the appropriate diagnostic procedure.
      • Refer to STANDARD PROCEDURE  and perform the CVT VERIFICATION TEST.

      No 

      • Go To  3.
  3. CHECK IF ENGINE DTCS ARE PRESENT 
    1. With the scan tool, read engine DTCs.

      Are there any engine DTCs present?

      Yes 

      • Refer to DTC INDEX and perform the appropriate diagnostic procedure.
      • Refer to STANDARD PROCEDURE  and perform the CVT VERIFICATION TEST.

      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 the TCM in accordance with the Service Information.
      • Refer to STANDARD PROCEDURE  and perform the CVT VERIFICATION TEST.
  4. CHECK THE WIRING AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
    3. Wiggle the wires while checking for shorted and open circuits.

      Were there any problems found?

      Yes 

      • Repair as necessary.
      • Refer to STANDARD PROCEDURE  and perform the CVT VERIFICATION TEST.

      No 

      • Test Complete.