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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 ((Antilock Brake System (Abs) - Electrical Diagnostics)) >> DTC Troubleshooting >> C0040-29-Brake Pedal Switch - Signal Invalid >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
BRAKE SIGNAL 1 CIRCUIT OPEN OR SHORTED TO GROUND
BRAKE SIGNAL 2 CIRCUIT OPEN OR SHORTED TO GROUND
STOPLAMP SWITCH
BODY CONTROL MODULE (BCM)
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