C0455
Steering Position Sensor Circuit Malfunction
What it means
C0455. Steering Position Sensor Circuit Malfunction. This Chevy-enhanced code applies to Silverado, Sierra, Tahoe, Yukon, Equinox.
Findings, check these first
- Failing steering wheel position sensor
- Loose or corroded sensor connector that moves with the column
- Clockspring and column harness wear
- EBCM steering input circuit fault
- Low system voltage setting a false sensor code
Standard procedure
- Watch the steering sensor signal on a scan tool through full lock-to-lock
- Inspect the column connector per GM bulletin PI0639D
- Check the 5-volt reference and ground at the sensor
- Verify battery voltage is normal before replacing parts
- Replace the steering position sensor and perform the centering calibration
Look up another code
Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.
Sources and review
Review: no source links are recorded for this entry.
Last updated 2026-09-25.
Report a correction for C0455. Include your vehicle, the issue and a source if you have one.
This fault is part of the GM ABS and StabiliTrak family. The GM ABS and StabiliTrak codes guide covers the check order.