C0269 GMC - Excessive Dump/Isolation Time

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Brake Pressure Modulator Valve (BPMV)
  • Brake Pressure Modulator Valve (BPMV) harness is open or shorted
  • Brake Pressure Modulator Valve (BPMV) circuit poor electrical connection

Tech notes

If the C0269 code is combined with other codes, fix other codes first.

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C0269 Gmc Description

The Electronic Brake Control Module (EBCM) microprocessor grounds the dump coil to energize and close the dump valve. This will release the excessive brake pressure which was applied by the driver to the wheels. If the EBCM microprocessor generates a dump command on one or more wheel for greater than nine seconds, the DTC will set.
OBDII Code C0269 Gmc - Excessive Dump/Isolation Time - AutoCodes.com

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C0269 GMC Comments

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