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.
DTC C1873-00
DTC C1873-00 : Steering Angle Sensor Malfunction
NOTE: Before you troubleshoot, review the General Troubleshooting Information .
| DTC Description | DTC | Freeze Frame |
|---|---|---|
| C1873-00 Steering Angle Sensor Malfunction |
DTC (Real Time AWD)
- Problem verification
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Turn the vehicle to the OFF (LOCK) mode.
-4. Enter the maintenance mode and start the engine .
-5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame C1873-00 Steering Angle Sensor Malfunction Is DTC C1873-00 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time.
- VSA system DTC check
-1. Check for DTCs in the VSA system with the HDS.
DTC Description DTC Are any DTCs indicated?
YES
Go to the indicated DTC's troubleshooting .
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.