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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Chassis Diagnostic Procedures - Anti-Lock Brake System) >> Diagnostic Information And Procedures >> Brakes (Cab) - Symptoms >> Symptom: WHEEL SPEED MISMATCH - 38 >> Possible Causes

Possible Causes

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  1. WHEEL SPEED MISMATCH DTC CONDITION PRESENT
  2. INCORRECT TONE WHEEL
  3. CAB INTERNAL FAULT
TEST ACTION AND APPLICABILITY

TEST ACTION APPLICABILITY
1 Turn the ignition off.
Inspect all four tire sizes and measure tire circumferences on vehicle.
Are any of the tires/wheels/tire circumferences significantly different in size?
  1. Yes --> Correct as necessary. All of the tires and wheels must be of uniform size and circumference.

    Perform ABS VERIFICATION TEST - VER 1.

  2. No --> Go To 2
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2 Turn the ignition off.
Count number of teeth on the suspect Tone Wheel.
Does the suspect Tone Wheel match the non-suspect Tone Wheels?
  1. Yes --> Replace the Controller Antilock Brake in accordance with the Service Information. Refer to the SYMPTOM: *REPLACING THE CONTROLLER ANTILOCK BRAKE  for additional information.

    Perform ABS VERIFICATION TEST - VER 1.

  2. No --> Replace the Tone Wheel in accordance with the Service Information.

    Perform ABS VERIFICATION TEST - VER 1.

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