LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (2.0L - DTCS U140B To U1831) >> DTC Troubleshooting >> U1412 Implausible Vehicle Speed Signal Received >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs and record on the repair order.

      Is the DTC active or pending?

      Yes 

      • Go To  2

      No 

  2. CHECK THE ANTI-LOCK BRAKE MODULE FOR WHEEL SPEED SENSOR FAULTS 
    1. With the scan tool, read DTCs in the ABS Module.

      Is the ABS Module setting any DTCs against a Wheel Speed Sensor?

      Yes 

      No