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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Controls And Fuel - 6.0L (L96 LC8) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> Intake Air Temperature Signal Modification System Diagnosis >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
IAT Sensor Signal P0112, P069E, P1111, P1127 P0113, P069E, P1111, P1127 P0113, P069E, P1111, P1127* P0111
Control P069E, P1111, P1127 P069E, P1111, P1127 1 -
* ECM or sensor damage may occur if the circuit is shorted to B+.
1. Damage may occur to the FICM or the fuel pump disable /(IAT) signal modification module, if the circuit is shorted to B+. The vehicle may still operate in CNG mode.
DTCs P1111 and P1127 are set in the FICM, where equipped
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