GM

A comprehensive look at Check Engine Trouble Codes for OBDII equipped GM passenger cars and vans.

Chevy Silverado P0135 – Test your O2 Sensor

Chevy Silverado P0135

The oxygen sensor in your Silverado can foul out over time or even fail all together. When this happens chances are you will see your Chevy Silverado check engine light turn on. For some of the later model trucks this…
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Chevy Express P0141 Trouble Code – Test 02 Sensor

Chevy Express P0141 Trouble Code - Test 02 Sensor 3

The Chevy Express P0141 check engine trouble code is a specific error that signifies that your rear catalytic converter may have failed. The specific code for the P1041 trouble code is Heater Performance Bank 1 Sensor 2. The Sensor 2 oxygen sensor…
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P0171 GM 5.7L – Test Your MAF

how-to-test-maf

The P0171 GM OBDII DTC Trouble Code relates to the Powertrain Control Module (PCM) seeing too much air from the upstream exhaust oxygen sensor, triggering the Malfunction Indicator Lamp (MIL) This error can cause driveability issues because the PCM sees…
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GM OBD DTC Trouble Codes

obdii-dtc-reader

Code and Description P0015 “B” Camshaft Position -Timing Over-Retarded (Bank 1) P0016 Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor A) P0017 Crankshaft Position – Camshaft Position Correlation (Bank 1 Sensor B) P0018 Crankshaft Position – Camshaft Position Correlation…
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