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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P2122, P2123, P2127, P2128, or P2138 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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P2122 

Accelerator Pedal Position Sensor = Less than 0.46 V - For greater than 1 s

P2123 

Accelerator Pedal Position Sensor = Greater than 4.75 V - For greater than 1 s

P2127 

Accelerator Pedal Position Sensor 2 = Less than 0.32 V - For greater than 1 s

P2128 

Accelerator Pedal Position Sensor 2 = Greater than 2.6 V - For greater than 1 s

P2138 

Accelerator Pedal Position Sensor and Sensor 2 = Not within 5 - 10% of each other - For greater than 1 s