Engine-Codes - Buick - P1550 Buick

P1550 Buick Code - Stepper Motor Cruise Control Fault

- Code Popularity: 1,521 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1550 Buick?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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)
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How to Fix the DTC 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1550 Buick code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1550 Buick Code Mean?

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.

P1550 Buick Code - Stepper Motor Cruise Control Fault

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