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DTC codes / C04xx · Brakes, steering and suspension / C0460

C0460Steering Position Signal Implausible

The steering angle sensor reports a position that the electronic stability control (ESC) module judges to be implausible when compared with the wheel speeds, yaw rate and lateral acceleration. The computer has detected a disagreement between where the driver is steering and how the vehicle is actually behaving, so it stores C0460 and typically disables stability control.

SystemChassis
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaBrakes, steering and suspension

Symptoms you may notice

  • The stability control (ESC) and traction control warning lights illuminate steadily on the dashboard.
  • The steering angle may read off-centre on a scan tool even when the wheels are pointed straight ahead.
  • Stability control and hill-start assist functions are disabled, leaving only basic anti-lock braking.
  • The vehicle may pull or wander slightly if the sensor is physically misaligned on the column.
  • Often no symptoms besides the warning light, with the car driving normally in dry conditions.

Common causes, most likely first

  1. Steering angle sensor calibration lost after a battery replacement, alignment or column repair.
  2. A wheel alignment performed with the steering wheel off-centre, leaving the sensor zero point skewed.
  3. Worn or damaged clock spring (spiral cable) inside the steering column interrupting the sensor signal.
  4. Faulty steering angle sensor itself, often due to internal wear or contamination.
  5. Damaged wiring, corroded connector pins or chafed harness between the sensor and the ESC module.
  6. A failing yaw rate or lateral acceleration sensor causing the ESC module to reject a correct steering signal.
  7. Low or uneven tyre pressures and mismatched tyre sizes skewing the wheel speed comparison.

How to diagnose and fix it

  1. Scan all modules for stored and pending codes, then record the live steering angle value with the wheels straight ahead.
  2. Check tyre pressures and sizes on all four corners, then inspect the steering column and clock spring for damage.
  3. Perform a steering angle sensor calibration or zero-point reset with a capable scan tool following the manufacturer's procedure.
  4. If calibration will not hold, inspect the sensor wiring and connector pins for corrosion, chafing or loose terminals.
  5. Verify front wheel alignment and centre the steering wheel, then recalibrate the sensor after any adjustment.
  6. If the angle reading is erratic or absent, replace the steering angle sensor or clock spring and recalibrate.
  7. Clear codes, complete a short road test with several turns, and confirm the ESC lamp stays off and the angle reads correctly.

Why calibration fails before the sensor does

  • A large share of C0460 cases are cured by a calibration rather than a part, especially after a battery disconnect or an alignment.
  • Technicians who replace the steering angle sensor without first checking the clock spring often find the new sensor reads the same fault.
  • A yaw rate or lateral acceleration sensor that is drifting can make a perfectly good steering angle signal look implausible to the ESC module.
  • Mismatched tyre circumference from uneven wear or mixed brands can shift the calculated steering comparison enough to set this code on sensitive platforms.
  • The steering angle sensor zero point can be disturbed by a minor kerb strike even when the alignment still reads within specification.

Can I keep driving with C0460?

The car remains driveable because base braking and steering are unaffected, but stability control and traction control are disabled, so avoid slippery roads, aggressive cornering and towing until the fault is repaired. Have the calibration checked promptly, since an off-centre steering angle can also mask an alignment problem.

Tools that help

Tools we recommend are in the Auto Veteran shop on Amazon. As an Amazon Associate we earn from qualifying purchases.

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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