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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1596 ((Antilock Brake System (Abs) - Electrical Diagnostics - 2500 Hd)) >> DTC Troubleshooting >> C0078-86-Tire Diameter - Signal Invalid >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. 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