Ignition Supply Power Circuit Low Voltage
Table of contents
P1633 BUICK Possible Causes
- Low battery voltage
- Blown fuse
How do I fix code P1633 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 P1633 BUICK code
The cost of diagnosing the P1633 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)
P1633 BUICK Description
With the key on, no Class 2 serial data received, the Powertrain Control Module (PCM) detects an improper Supplement Power Circuit (Circuit 0) voltage