Anti-Lock Brake System & Traction Control

• Description
• Operation
• Bleeding Brake System
  • Notes
  • Manual Bleeding Procedure
  • Pressure Bleeding Procedure
• Diagnosis
  • Notes
  • Pre-Diagnostic Inspection
  • Using Tech 1
    • Notes
    • Selecting Vehicle
    • Selecting Test Mode
  • Clearing Diagnostic Trouble Codes
  • Symptom Diagnosis
  • INTERMITTENTS & Poor Connections
• Symptom Diagnostic Charts
  • Symptom Diagnostic Chart "A" - Unable To Enter Diagnostics Or Anti-Lock Light On, No DTCS Set
  • Symptom Diagnostic Chart "B" Anti-Lock Light Inoperative
    • Notes
    • Possible Fault Causes:
  • Symptom Diagnostic Chart "C" - Traction Off Light On, No DTCS Set
    • Notes
    • Possible Fault Causes:
  • Symptom Diagnostic Chart "D" - Traction Off Light Inoperative
    • Notes
    • Possible Fault Causes:
  • Symptom Diagnostic Chart "E" - (Aurora) Traction Off Light Inoperative
• Diagnostic Trouble Code Charts
  • DTCS 21 & 25 - Front Wheel Speed Sensor Circuit Open Or Shorted
  • DTCS 22, 23, 26, 27, 32, 33, 36 & 37 - Wheel Speed Signal Erratic Or Missing
  • DTCS 31 & 35 - Rear Wheel Speed Sensor Circuit Open Or Shorted
  • DTCS 41, 42, 45, 46, 51, 52, 55 & 56 - Inlet/Outlet Valve Circuit Open Or Shorted
  • DTCS 44 & 48 - Isolation Valve Circuit Open Or Shorted
  • DTC 61 - Bpm Valve Pump Motor Fault
    • Notes
    • Possible Fault Causes:
  • DTC 62 - Low Brake Pedal During Abs Stop
  • DTC 71 - EBCM/EBTCM Internal Fault
  • DTC 72 - Brake Switch Open Or Shorted
  • DTC 73 - Fluid Level Switch Open Or Shorted
  • DTC 74 - PMV Pressure Switch Open Or Shorted
  • DTC 75 - Pcm Requested TCS To Be Disabled
  • DTC 76 - Data Line Signal Or Circuit Fault
    • Notes
    • Troubleshooting Hints:
  • DTC 77 - Delivered Torque Circuit Fault
• Removal & Installation
  • Notes
  • Electronic Brake Control Module Or Electronic Brake & Traction Control Module
    • Notes
    • Removal & Installation
  • Pressure Modulator Valve
    • Removal
    • Installation
  • Wheel Speed Sensor
    • Removal & Installation (Front)
    • Removal & Installation (Rear)
  • Toothed Sensor Ring
    • Removal & Installation (Front)
    • Removal & Installation (Rear)
• Torque Specifications
• Wiring Diagram