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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 827 (ANTILOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C0460CIRCUIT/SYSTEM TESTING
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Circuit/System Testing
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the EBCM.
- Ignition ON, test for less than 1 V between the following circuit terminals listed below and ground.
- Reference voltage circuit terminal 23
- Low Reference circuit terminal 40
- CAN Bus High Serial Data circuit terminal 18
- CAN Bus Low Serial Data circuit terminal 19
- If greater than the specified range, test the appropriate circuit for a short to voltage.
- Ignition OFF, test for infinite resistance between the following circuit terminals listed below and ground.
- Reference voltage circuit terminal 23
- Low Reference circuit terminal 40
- CAN Bus High Serial Data circuit terminal 18
- CAN Bus Low Serial Data circuit terminal 19
- If less than the specified value, test the appropriate circuit for a short to ground.
- Ignition OFF, disconnect the harness connector at the Steering Angle Sensor.
- Test for less than 2 Ξ© between the following circuit terminals listed below.
- Reference voltage circuit terminal 23 at the EBCM harness connector and terminal 1 at the steering angle sensor harness connector.
- Low Reference circuit terminal 40 at the EBCM harness connector and terminal 6 at the steering angle sensor harness connector.
- CAN Bus High Serial Data circuit terminal 18 at the EBCM harness connector and terminal 3 at the steering angle sensor harness connector.
- CAN Bus Low Serial Data circuit terminal 19 at the EBCM harness connector and terminal 4 at the steering angle sensor harness connector.
- If greater than the specified value, test the appropriate circuit for an open/high resistance.
- If all circuits test normal, replace the Steering Angle Sensor. If the DTC resets replace the EBCM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.