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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Lighting System - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P2299 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:

    DTC P2299 may set if the brake pedal is applied while accelerating at the same time.

  1. Vehicle in Service Mode.
  2. Verify that no other DTCs are set except for P2299.
    • Go to next step: If no other DTCs are not set 
  3. Verify the brake pedal position sensor or the brake pedal is not binding causing residual brake pressure to be detected.
    • If a condition is found 

      Repair or replace the applicable component.

    • Go to next step: If a condition is not found 
  4. Verify the scan tool body control module Brake Pedal Applied parameter changes between Active and Inactive when applying and releasing the brake pedal.
    • Go to next step: If the parameter changes 
  5. Verify the scan tool brake system control module Calculated Input Rod Position parameter changes between -2 mm and 61.75 mm when applying and releasing the brake pedal.
    • If the parameter does not change 

      Replace the A104 Brake Master Cylinder.

    • Go to next step: If the parameter does change 
  6. All OK.