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Home >> Fiat >> 2014 >> 500L Easy, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (DTCS P1CC0-00 To U1508-00 - C635 DDCT Automatic Transmission - 500L) >> Diagnosis And Testing >> U11BC-00-Lost Brake Switch Message >> Theory Of Operation

Theory Of Operation

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This diagnostic checks the availability of the brake switch signal which is sent by the Anti-lock Braking System (ABS) via a CAN message. The diagnostic checks the brake switch fail status bit. If the status is 1 then a fault is detected and the DTC is set.