P1202 GMC Possible Causes
- Faulty mass airflow sensor
- Mass airflow sensor harness is open or shorted
- Poor electrical connection in mass airflow sensor circuit
How is P1202 GMC Code Repaired?
Start by checking the “possible causes” listed above. Visually inspect the corresponding 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)
P1202 GMC Meaning
Mass Air Flow Sensor Circuit Low Frequency is the generic description for P1202 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 P1202 Gmc code.