C1FFF

DTC C1FFF

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Strategy Based Diagnosis) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Diagnostic Procedure Instructions) provides an overview of each diagnostic category.

DTC Descriptor
DTC C1FFF 00
- Electronic Brake Control Module (EBCM) Indicated Hardware Malfunction

Circuit/System Description

The engine control module (ECM) detects the EBCM has an internal malfunction.

Conditions for Running the DTC

Ignition ON.

Conditions for Setting the DTC

An internal EBCM Malfunction exists.

Action Taken When the DTC Sets

* The antilock brake system (ABS) and vehicle stability enhancement system (VSES) are disabled.
* The warning indicators will illuminate.

Conditions for Clearing the DTC

* The condition for the DTC is no longer present.
* The ECM clears the history DTC when a current DTC is not detected in 100 consecutive drive cycles.

Reference Information
Schematic Reference

Antilock Brake System Schematics (Electrical Diagrams)
Connector End View Reference

Component Connector End Views (Connector End Views By Name)
Description and Operation

ABS Description and Operation (Description and Operation)
Electrical Information Reference

* Circuit Testing (Circuit Testing)
* Connector Repairs (Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (Wiring Repairs)

Scan Tool Reference

Control Module References (Programming and Relearning) for scan tool information

Circuit/System Verification

Verify DTC C1FFF is not current.

If the DTC is current, replace the EBCM

Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.

Control Module References (Programming and Relearning) for EBCM replacement, setup and programming