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 MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 375 (TIRE PRESSURE MONITORING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2008 Pontiac Grand Prix Base
Diagnostic Code Index
2008 Pontiac Grand Prix BaseSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2008 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC C2111-C2114 | C2111: Tire Pressure Sensor 1 in Shipping Mode C2112: Tire Pressure Sensor 2 in Shipping Mode C2113: Tire Pressure Sensor 3 in Shipping Mode C2114: Tire Pressure Sensor 4 in Shipping Mode |
| DTC C2121-C2124 | C2121: Tire Pressure Sensor 1 Signal Missing - Main Set C2122: Tire Pressure Sensor 2 Signal Missing - Main Set C2123: Tire Pressure Sensor 3 Signal Missing - Main Set C2124: Tire Pressure Sensor 4 Signal Missing - Main Set |
| DTC C2126 | C2126: Tire Pressure Sensor ID Not Received |
| DTC C2141-C2144 | C2141: Tire Pressure Sensor 1 Performance C2142: Tire Pressure Sensor 2 Performance C2143: Tire Pressure Sensor 3 Performance C2144: Tire Pressure Sensor 4 Performance |
| DTC C2165-C2168 | C2165: Tire Pressure Sensor 1 Tire Overtemperature C2166: Tire Pressure Sensor 2 Tire Overtemperature C2167: Tire Pressure Sensor 3 Tire Overtemperature C2168: Tire Pressure Sensor 4 Tire Overtemperature |
| DTC C2171 | C2171: Low Tire Pressure Sensors Not Learned - Main |
| DTC C2173 | C2173: Engine Speed Signal or Vehicle Speed Signal Performance |
| DTC C2176 | C2176: Tire Pressure Sensors Antenna Performance |
| DTC C2177 | C2177: Initialization Not Complete |
| DTC C2181-C2184 | C2181: Tire Pressure Sensor 1 Transmitter Identification C2182: Tire Pressure Sensor 2 Transmitter Identification C2183: Tire Pressure Sensor 3 Transmitter Identification C2184: Tire Pressure Sensor 4 Transmitter Identification |
| DTC C2191 | C2191: Vehicle Speed Signal Performance |
| DTC C2194 | C2194: Engine Speed Signal Performance |
RENDER: 1.0x
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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.