Wait To Start Lamp Control Circuit Conditions
Table of contents
P1643 BUICK Possible Causes
- Faulty Wait To Start Lamp
- Wait To Start Lamp harness is open or shorted
- Wait To Start Lamp circuit poor electrical connection
How do I fix code P1643 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 P1643 BUICK code
The cost of diagnosing the P1643 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)
P1643 BUICK Description
With the key on or engine running, then with the Wait To Start lamp requested on (Test 1), the Powertrain Control Module (PCM) detects that the voltage ON the lamp control circuit was high, or with the lamp requested off, that the voltage on the lamp control circuit was near zero (0) volts.