P1380 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


OBD-II Trouble Shooting Got a code reader? Find out what your GM car's Check Engine light is trying to tell you (and then turn Check Engine light off).

 
 
 
 
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Old 09-27-2009, 12:09 PM   #1
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Default P1380

P1380

Description
EBTCM DTC DETECTED ROUGH ROAD DATA UNUSABLE

This DTC is used to determine when the EBCM has lost the
ability to provide rough road data to the PCM for misfire detection.
When the PCM sees that this condition is present, through the serial
data, DTC will set.

Symptoms
You likely won't notice any drivability problems.

Causes

  • ABS system.

Solutions
  • diagnose ABS system.
  • indicates that the ABS system has
    detected a malfunction which will not allow the EBCM to transmit
    correct rough road data to PCM.
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