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.
The radio is in ACCESSORY, RUN, or RAP power mode.
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. |
No action taken.
• | 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. |
Navigation System Connector End Views
⇒ | If all circuits test normal, replace the EBCM. |
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
for EBCM replacement, setup, and programming
Control Module References for EBCM replacement, setup, and programming