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 MANUALSGMC2009CANYON 4D PICKUP, 2.9 9REPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC C0196CIRCUIT/SYSTEM TESTING
2009 GMC Canyon 4D Pickup, 2.9 9
Circuit/System Testing
2009 GMC Canyon 4D Pickup, 2.9 9SECTION Circuit/System Testing
- Ignition OFF, disconnect the harness connector at the Yaw Rate/Lateral Accelerometer sensor.
- Test for less than 1 ohm between the low reference circuit terminal 5 and ground.
- If greater than the specified range, test for an open/high resistance in the low reference circuit.
- Ignition ON, test for ignition voltage between the ignition circuit terminal 3 and the low reference circuit terminal 5.
- If not the specified value, test the ignition circuit for a short to ground or an open/high resistance.
- Ignition OFF, disconnect the harness connector at the EBCM.
- Test for infinite resistance between the low reference circuit terminal 29 and ground.
- If greater than the specified value, test the low reference circuit for a short to ground.
- Ignition ON, test for 0 volts between the communication circuit terminal 18 and ground at the EBCM harness connector.
- If greater than the specified value, test the communication circuit for a short to voltage.
- Test for 0 volts between the communication circuit terminal 19 and ground.
- If greater than the specified value, test the communication circuit for a short to voltage.
- Ignition OFF, test for infinite resistance between the communication circuit terminal 18 and ground.
- If not the specified value, test the communication circuit for a short to ground.
- Test for infinite resistance between the communication circuit terminal 19 and ground.
- If not the specified value, test the communication circuit for a short to ground.
- Test for less than 1 ohm between the communication circuit terminals 18 and terminal 2.
- If greater than the specified range, test the communication circuit for an open/high resistance.
- Test for less than 1 ohm between the communication circuit terminals 19 and terminal 1.
- If greater than the specified range, test the communication circuit for an open/high resistance.
- Test for infinite resistance between the communication circuit 18 and the communication circuit 19.
- If not the specified value, test the communication circuits for a short together.
- If all circuits test normal, replace the Yaw Rate/Lateral sensor.
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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.