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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 643 (Anti-Lock Brake System) >> Diagnostic Information & Procedures >> DTC C0235, C0236, C0237, P1504: Rear Wheel Speed Signal Fault & Vehicle Speed Output Circuit >> Conditions for Setting the DTC >> P1504

Conditions for Setting the DTC: P1504

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The PCM detects low voltage on the vehicle speed signal circuit for 45 seconds.