Ignition Timing Adjustment Switch Circuit
Table of contents
P1530 BUICK Possible Causes
- Faulty Ignition Timing Adjustment Switch
- Ignition Timing Adjustment Switch harness is open or shorted
- Ignition Timing Adjustment Switch circuit poor electrical connection
How do I fix code P1530 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 P1530 BUICK code
The cost of diagnosing the P1530 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)
P1530 BUICK Description
With the engine running in closed loop, VSS input over 1 mph and the Powertrain Control Module (PCM) detects the Test Switch was on (circuit grounded) for 5 seconds.