C1278 GMC - TCS Temporarily Inhibited By PCM

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

  • Faulty Electronic Brake Control Module (EBCM)
  • Faulty Powertrain Control Module (PCM)

Possible symptoms

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

C1278 Gmc Description

The Powertrain Control Module (PCM) monitors various parameters. The PCM sets the OBDII code and will not allow traction control operation if any parameter falls outside a specified range.
OBDII Code C1278 Gmc - TCS Temporarily Inhibited By PCM - AutoCodes.com

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C1278 GMC Comments

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