Change Oil Lamp Control Circuit Conditions
Table of contents
P1663 BUICK Possible Causes
- Faulty Change Oil Lamp
- Change Oil Lamp harness is open or shorted
- Change Oil Lamp circuit poor electrical connection
How do I fix code P1663 BUICK?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1663 BUICK code
The cost of diagnosing the P1663 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1663 BUICK Description
With the engine speed over 600 rpm, the Powertrain Control Module (PCM) detects that commanded state of the Change Oil Lamp driver and the Actual state of the control circuit did not match for over 5 seconds.