P1212 GMC Possible Causes
- Faulty mass air flow (MAF) sensor
- Mass air flow (MAF) sensor harness is open or shorted
- Poor electrical connection in the mass air flow (MAF) sensor circuit
How is P1212 GMC Code Repaired?
Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1212 GMC Meaning
Intermittent low mass air flow circuit is the generic description for P1212 Gmc code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the OBDII P1212 Gmc code.