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 23 (ANALOG INSTRUMENT PANELS)SELF-DIAGNOSTIC SYSTEMTIRE PRESSURE MONITORING DIAGNOSTIC SYSTEM CHECK
1999 GMC Forward Control 5.7 R, Automatic
Tire Pressure Monitoring Diagnostic System Check
1999 GMC Forward Control 5.7 R, AutomaticSECTION Tire Pressure Monitoring Diagnostic System Check
WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Connect scan tool to Data Link Connector (DLC). If scan tool powers up, go to next step. If scan tool does not power up, go to SCAN TOOL DOES NOT POWER UP under SYSTEM TESTS in BODY CONTROL MODULES - IMPALA & MONTE CARLO article.
- Turn ignition switch to RUN position. Using scan tool, attempt to establish communications with Electronic Brake Control Module (EBCM). If communication is established with EBCM, go to next step. If communication cannot be established, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SYSTEM TESTS in BODY CONTROL MODULES - IMPALA & MONTE CARLO article.
- Select DRP/ABS/TCS/TIM/VSES display DTC function on scan tool. If scan tool displays any DTCs except C1245, go to appropriate ANTI-LOCK article in BRAKES. If scan tool displays DTC C1245, perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . If scan tool does not display any DTCs, perform appropriate procedure. See SYMPTOM INDEX table under SYSTEM TESTS.
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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.