Left temperature feedback circuit high
What it means
B0416. Left temperature feedback circuit high. The driver side door feedback reads high and the body warning light comes on. This Chevy-enhanced code applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.
Findings, check these first
- Left temperature feedback wire shorted to voltage
- Failed position sensor inside the driver side actuator pulling feedback high
- Corroded driver side actuator connector
- Open ground at the driver side actuator
- Faulty feedback input in the HVAC control module
Standard procedure
- Confirm the code with a scan tool
- Inspect and reseat the driver side actuator connector
- Test the left temperature feedback wire for a short to voltage
- Check the driver side actuator ground
- Replace the actuator or HVAC control module only after circuit tests pass, then clear the code and retest
Look up another code
Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.
Sources and review
Review: checked against the recorded source material.
- Code B0416 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0416
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
- B0416 CHEVROLET Temperature Control Left Feedback Circuit Actuator High | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes for B0416
Fetched directly. Model and year fitment remain curator claims.
- B0416 CHEVROLET Temperature Control Left Feedback Circuit Actuator High | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes for B0416
Same Chevrolet text as the engine-codes page (both sites share one publisher).
Last updated 2026-10-10.
Report a correction for B0416. Include your vehicle, the issue and a source if you have one.