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2001 GMC c5500 6.6L with engine code P1271 and P1272

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2001 GMC c5500 6.6L with engine code P1271 and P1272

Vehicle: 2001 GMC c5500 6.6L

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Hi there,

These codes indicate an issue with the accelerator pedal position sensor 1 - 2 and 2 - 3. Here is some info for you.

P1271 GMC - Accelerator Pedal Position Sensor 1-2 Correlation
Read more: https://www.autocodes.com/p1271_gmc.html

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