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Home >> Chrysler >> 2025 >> Voyager >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Antilock Brake System (Abs) (Continental) - DTCS C006A-54 To C10EA-00) >> DTC Troubleshooting >> C0078-86 Tire Diameter - Signal Invalid >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
NEW OR INCORRECT TIRE SIZE PROGRAMMED INTO BODY CONTROL MODULE (BCM)
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .

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