Stepper Motor Cruise Control Fault
Table of contents
P1550 BUICK Possible Causes
- Faulty Stepper Motor Cruise Control
- Stepper Motor Cruise Control harness is open or shorted
- Stepper Motor Cruise Control circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How do I fix code P1550 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 P1550 BUICK code
The cost of diagnosing the P1550 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)
P1550 BUICK Description
With the engine running, the Stepper Motor Cruise Control (SMCC) Cruise commanded off, the Powertrain Control Module (PCM) detects that the Cruise Status input indicated that the Cruise Control was engaged.