P1586 GMC Code - Cruise Control Brake Switch 2 Circuit Conditions
Quick Answer
Engine running with engine speed more than 1000 rpm (wheel speed indicates more than 20 mph in order to enable the test, and the test will disable when wheel speed is less than 5 mph), then the Powertrain Control Module (PCM) detects that the vehicle speed decreased by 1 mph in 0.5 seconds without the PCM detecting a Brake switch transition, all conditions present for 10 Accel/Decel cycles. Common causes include Faulty Cruise Control Brake Switch, Cruise Control Brake Switch harness is open or shorted, Cruise Control Brake Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1586 GMC indicates Cruise Control Brake Switch 2 Circuit Conditions.
- Common causes
- Common causes include Faulty Cruise Control Brake Switch, Cruise Control Brake Switch harness is open or shorted, Cruise Control Brake Switch circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1586 GMC Description
What are the Possible Causes of the DTC P1586 GMC?
- Faulty Cruise Control Brake Switch
- Cruise Control Brake Switch harness is open or shorted
- Cruise Control Brake Switch circuit poor electrical connection
How to Fix the DTC P1586 GMC?
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 P1586 GMC 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 P1586 GMC Code
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