Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 366 (ANTILOCK BRAKE SYSTEM AND TRACTION CONTROL SYSTEM)
2006 Chevrolet Suburban K2500, 6.0 U
Section 366 (Antilock Brake System And Traction Control System)
2006 Chevrolet Suburban K2500, 6.0 USECTION Section 366 (Antilock Brake System And Traction Control System)
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Antilock Brake System
- Diagnostic System Check - ABS
- Scan Tool Output Controls (8600 GVW or Under Except PHT)
- Scan Tool Output Controls (Over 8600 GVW or PHT)
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC C0035 or C0040: Front Wheel Speed Sensor Circuit
- DTC C0055: Rear Wheel Speed Sensor Circuit
- DTC C0110: Pump Motor Circuit
- DTC C0161: Traction Control System (TCS) Brake Switch
- DTC C0201: Antilock Brake System (ABS) Enable Relay Contact Circuit
- DTC C0221, C0222, C0223, C0224, C0225, C0226, C0227: Front Wheel Speed Sensor Circuit
- DTC C0228: Antilock Brake System (ABS) Channel in Release Too Long
- DTC C0229: Drop Out of Front Wheel Speed Signals
- DTC C0235, C0236, C0237 or P0609: Rear Wheel Speed Sensor Circuit
- DTC C0238: Wheel Speed Mismatch
- DTC C0241, C0242, C0243, C0244, C0245, C0246, C0247, C0248, C0249, C0250, C0251, C0252, C0253, C0254 (8600 GVW or under except PHT): EBCM Malfunction
- DTC C0241, C0242, C0243, C0244, C0245, C0246, C0247, C0248, C0249, C0250, C0251, C0252, C0253, C0254 (Over 8600 GVW or PHT): EBCM Malfunction
- DTC C0265 or C0266: EBCM Relay Circuit
- DTC C0267 or C0268: Pump Motor Circuit
- DTC C0269 or C0274: Excessive Dump/Isolation Time
- DTC C0271, C0272, C0273, C0284: EBCM Malfunction
- DTC C0279: Powertrain Configuration Not Valid
- DTC C0281: Brake Switch Circuit
- DTC C0283: Traction Switch Shorted to Ground
- DTC C0287, P1644, or P1689: Delivered Torque Circuit
- DTC C0290 or C0292: Lost Communications With PCM
- DTC C0291: Lost Communications With BCM
- DTC C0297: Powertrain Configuration Data Not Received
- DTC C0298 or P0856: Requested Torque Signal Circuit
- DTC C0550: ECU Malfunction
- Symptoms - Antilock Brake System
- ABS Indicator Always On
- ABS Indicator Inoperative
- Traction Off Indicator Always On
- Traction Off Indicator Inoperative
- Repair Instructions
- Description and Operation
- ABS Description and Operation (8600 GVW or less except PHT)
- ABS Description and Operation (Over 8600 GVW or PHT)
- Special Tools and Equipment
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.