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Home >> Dodge and Ram >> 2015 >> Durango SXT, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 ((Antilock Brake System (Abs) - Electrical Diagnostics)) >> DTC Troubleshooting >> C0021-02-Brake Booster - General Signal Failure >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
PINCHED, CUT OR OPEN VACUUM SUPPLY LINE
BRAKE BOOSTER
VACUUM PRESSURE SENSOR
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