112
UnclassifiedEmissions
What This Code Means
MIL on during active fault and for 2 seconds after active fault; Adaptive disabled during active fault; ECM uses a default value for the IAT sensor
Possible Causes
- •Current DTC for a sensor
- •IAT Sensor voltage less than 0.05 volts during engine cranking or running
Suggested Actions
- 1Clear DTCs from memory with a laptop computer, or by placing the diagnostic test switch in the OFF position and removing the system main power fuse or battery cable for 15 seconds
- 2If more than one DTC is detected, begin diagnosing with the lowest number DTC first and diagnose each problem to correction
- 3Read DTCs using a diagnostic test light or a laptop computer
- 4Repair DTC 112 first before DTC 122
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 112 on your specific General Motors Powertrain unit — cited to the OEM manual, not a forum guess.
GET THE ANSWER
Free account required — we'll bring your question with you.