P1200 CHEVROLET Possible Causes
- Faulty fuel injector
- Fuel injector harness is open or shorted
- Poor electrical connection in fuel injector circuit
How to Fix P1200 CHEVROLET Code?
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)
P1200 CHEVROLET Meaning
While the engine is running, the Powertrain Control Module (PCM) detects an incorrect voltage level on one or more fuel injector control circuits for more than 5 seconds.