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Home >> Fiat >> 2014 >> 500L Easy, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (DTCS P0218-00 To P1CBF-00 - C635 DDCT Automatic Transmission - 500L) >> Diagnosis And Testing >> P125D-Door Switch Performance >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

When either of the front doors are open, the CCN sends a wake-up to the TCM to energize the pump to bring hydraulic pressure to operating range. If the TCM detects a fault on this wake-up feed, the DTC is set.

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