B0000

DTC B0000

DIAGNOSTIC INSTRUCTIONS
- Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC DESCRIPTOR

DTC B0000 5A
Vehicle Speed Information Circuit Plausibility Failure

CIRCUIT/SYSTEM DESCRIPTION
The radio receives a vehicle speed signal from the electronic brake control module (EBCM) in order to correlate actual vehicle speed to the movement of the vehicle calculated by the navigation system and reported serial data.

CONDITIONS FOR RUNNING THE DTC
The radio is in ACCESSORY, RUN, or RAP power mode.

CONDITIONS FOR SETTING THE DTC
The DTC will set for one or more of the following conditions.
- Vehicle speed from serial data is more than 5 km/h (3 mph) and vehicle speed pulse from the EBCM is 0 km/h (0 mph).
- Vehicle speed calculated from the navigation processing software is more than 36 km/h (22 mph) and vehicle speed pulse from the EBCM is 0 km/h (0 mph) for 10 seconds continuously.

ACTION TAKEN WHEN THE DTC SETS
No action taken.

CONDITIONS FOR CLEARING THE DTC
- The condition must be corrected.
- A history DTC clears after 100 malfunction-free ignition cycles.
- The radio receives the clear code command from the scan tool.

CIRCUIT/SYSTEM TESTING
1. Test or repair open, short to ground or short to voltage on the vehicle speed sensor circuit.
- If all circuits test normal, replace the EBCM.


REPAIR INSTRUCTIONS
Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

for EBCM replacement, setup, and programming

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