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P0599

P0599 - Cruise Control Control Circuit High

Bosch · OBD1000

What does P0599 mean?

This code indicates a high voltage reading in the cruise control control circuit. This usually points to a short to voltage.

Common Causes

  • Short to voltage in the control circuit
  • Damaged wiring
  • Faulty control module

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the wiring for contact with a voltage source.

  2. 2

    Test the control circuit components for issues.

  3. 3

    Ensure all connectors are securely fastened.

  4. 4

    A qualified technician should diagnose this problem.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

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Source: OBD1000
Open Manual (Page 21)Search more codes in this manual