P1234 CADILLAC Possible Causes
- Faulty fuel injector 5
- Fuel injector 5 harness is open or shorted
- Poor electrical connection in fuel injector 5 circuit
How to Fix Code P1234 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)
P1234 CADILLAC Meaning
Injector Circuit Cylinder 5 Intermittent is the generic description for code P1234 Cadillac, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have additional information about the OBDII P1234 Cadillac code.