Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 354 (ANTI-LOCK BRAKE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C1214: ELECTRONIC BRAKE CONTROL RELAY CONTACT CIRCUIT OPENCONDITIONS FOR SETTING THE DTC
1999 GMC Forward Control 5.7 R, Automatic
Conditions for Setting the DTC
1999 GMC Forward Control 5.7 R, AutomaticSECTION Conditions for Setting the DTC
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
One of the following conditions exists for 0.23 seconds:
Criteria 1
The system voltage is less than 8 volts.
Criteria 2
The difference between the ignition voltage and system voltage is greater than 1.9 volts.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.