Fault Codes/General Motors Powertrain/DTC 112General Motors PowertrainDTC 112UnclassifiedGeneralWhat This Code MeansDTC 112Possible Causes•Unresolved condition related to DTC 112Suggested Actions1Repair DTC 112 firstRelated General Motors Powertrain Fault CodesDTC 122DTC 416651DTC 422432DTC 423431DTC 424426DTC 434421DTC 532Browse all General Motors Powertrain fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for DTC 112 on your specific General Motors Powertrain unit — cited to the OEM manual, not a forum guess.Your question about DTC 112GET THE ANSWERFree account required — we'll bring your question with you.