C1FFF

DTC C1FFF

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) 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 (without HP7) ([1][2]Antilock Brakes / Traction Control Systems)Antilock Brake System Schematics (HP7) ([1][2]Antilock Brakes / Traction Control Systems)
Connector End View Reference

Component Connector End Views (Connector Views)
Description and Operation

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

* Circuit Testing (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)
* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)

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