OBD-II Generic Error Code P0570: How to Fix It

Medium 30-45 minutes Medium Severity Verified June 2026
Error Code
P0570
Brand
OBD-II Generic
Product Type
automotive
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-45 minutes
Error code P0570 indicates a problem with the cruise control accelerate signal circuit in your vehicle. This means the powertrain control module (PCM) has detected an incorrect or missing signal from the cruise control switch or related wiring. Left unchecked, it may disable the cruise control function entirely.
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Tools You'll Need

How to Fix Error Code P0570

  1. Check Cruise Control Fuse

    Disconnect the battery before handling fuses to avoid electrical shorts.
  2. Inspect Brake Light Operation

  3. Test Cruise Control Switch

    Disconnect the battery before testing wiring to prevent airbag deployment.
  4. Check Wiring and Connectors

  5. Scan and Clear Codes

Parts You May Need

Cruise control switch
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Cruise control fuse
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Brake light switch
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Cruise control switch
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Cruise control fuse
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Brake light switch
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Cruise control switch
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Cruise control fuse
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Brake light switch
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Cruise control switch
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Cruise control fuse
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Brake light switch
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When to Call a Professional

If the code returns after following all steps, the PCM may be faulty or there could be an internal wiring issue. A professional mechanic can perform advanced diagnostics with specialized equipment.

Frequently Asked Questions

What does error code P0570 mean?
P0570 indicates a problem with the cruise control accelerate signal circuit. The PCM has detected an incorrect signal from the cruise control switch or related wiring.
Can I drive with code P0570?
Yes, but the cruise control will likely be disabled. The vehicle will operate normally otherwise, but the underlying issue should be diagnosed to prevent further problems.
How do I fix error P0570?
Common fixes include checking the cruise control fuse, testing the brake light switch, inspecting the cruise control switch and wiring, and clearing the code. See the steps above.
Do I need a new cruise control module?
Rarely. Usually the issue is a blown fuse, faulty switch, or wiring problem. Only replace the module after ruling out all other causes.
Will disconnecting the battery clear P0570?
Yes, but the code may return if the root cause isn't fixed. Use an OBD2 scanner to clear codes more reliably.