P1380

DTC P1380 EBCM Rough Road Data Unstable:

Rough Road Data:

Circuit Description

This diagnostic determines if the ABS system is capable of detecting a rough road situation. This DTC is a type D DTC.


Conditions For Setting The DTC

Test Conditions

^ The vehicle speed is at least 1 mph.

^ The engine speed is no more than 5900 RPM.

^ The engine load is no more than 89.9%.

^ The DTC P0300 is set, and the DTC P0300 is requesting the Malfunction Indicator Lamp (MIL) on.

^ The rough road indicator is not being sent by the Electronic Brake Control Module (EBCM).


Action Taken When The DTC Sets

The Malfunction Indicator Lamp (MIL) will not illuminate. The Vehicle Control Module (VCM) stores a history DTC.

Conditions For Clearing The MIL/DTC The VCM turns the MIL oft after 3 consecutive driving trips without a fault condition present. A history DTC will clear if no fault conditions have been detected for 40 warm-up cycles (coolant temperature has risen 40°F from the start-up coolant temperature and the engine coolant temperature exceeds 160°F during that same ignition cycle) or the scan tool clearing feature has been used.


Test Description

Number(s) below refer to step numbers on the diagnostic table.

1. The ABS system must be serviced before diagnosing for misfire.