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Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Verify there are no other DTCs set, except for DTC P0856.
    • Go to next step: If no other DTCs are set 
  3. Replace the component: K20 Engine Control Module
  4. Under normal operating conditions: Verify that no DTCs are set.
    • If the DTC sets 

      Replace the appropriate component: K160 Brake System Control Module or K17 Electronic Brake Control Module

    • Go to next step: If no DTC is set 
  5. All OK.
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