P1201 CADILLAC Possible Causes
- Faulty mass air flow sensor
- Mass air flow sensor harness is open or shorted
- Poor electrical connection in the mass air flow sensor circuit
How to Fix Code P1201 CADILLAC?
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)
P1201 CADILLAC Meaning
Mass Air Flow Sensor Circuit Range/Performance is the generic description for Cadillac P1201 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Cadillac P1201 OBDII code.