P1550 Chevrolet Code - Stepper Motor Cruise Control Fault
Quick Answer
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. Common causes include Faulty Stepper Motor Cruise Control, Stepper Motor Cruise Control harness is open or shorted, Stepper Motor Cruise Control circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1550 Chevrolet indicates Stepper Motor Cruise Control Fault.
- Common causes
- Common causes include Faulty Stepper Motor Cruise Control, Stepper Motor Cruise Control harness is open or shorted, Stepper Motor Cruise Control circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P1550 Chevrolet Description
What are the Possible Causes of the DTC P1550 Chevrolet?
- 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 to Fix the DTC P1550 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1550 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1550 Chevrolet Code
1. What are the common symptoms of OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
The common symptoms include the cruise control system not working properly, the vehicle not maintaining a steady cruising speed, and the cruise control light on the dashboard flashing.
2. What are some possible causes of OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
Possible causes include a faulty stepper motor, damaged wiring or connectors in the cruise control system, a malfunctioning cruise control module, or a problem with the vehicle's computer system.
3. How can I diagnose the issue related to OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
Diagnosing the issue may involve using a diagnostic scanner to retrieve the trouble codes, performing a visual inspection of the cruise control system components, and testing the stepper motor and related circuits for proper operation.
4. Can I still drive my vehicle with OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
While it may be possible to drive the vehicle with this code active, it is recommended to address the issue promptly to prevent further damage to the cruise control system and ensure safe driving conditions.
5. How can I repair OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
Repairing this code may involve replacing the faulty stepper motor, repairing damaged wiring or connectors, resetting the cruise control module, or reprogramming the vehicle's computer system to clear the code.
6. Is it safe to reset the OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault on my own?
It is generally safe to reset the code on your own using a diagnostic scanner, but it is important to address the underlying issue causing the fault code to prevent it from reoccurring.
7. Can a DIY enthusiast fix OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
Depending on the DIY enthusiast's level of experience and access to tools, it may be possible to fix this code by following repair guides, consulting with experts, and properly diagnosing and repairing the issue.
8. How much does it typically cost to repair OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
The cost of repairing this code can vary depending on the specific cause of the fault, parts and labor costs, and whether the repair is done at a dealership, independent mechanic, or by the vehicle owner themselves.
9. What should I do if the OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault keeps coming back after repair?
If the fault code persists after repair, it is recommended to recheck the repairs made, ensure all connections are secure, and consider seeking professional help to diagnose and address any underlying issues causing the code to reoccur.
10. Are there any recalls or technical service bulletins related to OBDII code P1550 (Chevrolet) - Stepper Motor Cruise Control Fault?
It is advised to check with Chevrolet dealerships or online databases for any recalls or technical service bulletins related to this specific fault code to see if there are any known issues or solutions provided by the manufacturer.
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