What does B0417 mean on a Chevy?

B0417. Left temperature feedback circuit is open. The HVAC module loses the driver side door position and the body warning light comes on. Applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

What causes B0417 on a Chevy?

Open left temperature feedback wire between the actuator and HVAC module Broken or backed out terminal at the driver side actuator Failed position sensor inside the driver side actuator Corroded driver side actuator connector Faulty feedback input in the HVAC control module

How do I fix B0417 on a Chevy?

Confirm the code with a scan tool Inspect and reseat the driver side actuator connector Test the left temperature feedback wire for continuity Repair the open before replacing any parts Replace the actuator or HVAC control module only after circuit tests pass, then clear the code and retest

Code

B0417

Left temperature feedback circuit is open

Category: Body
Severity: Body Warning Light
Applies to: Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code
Related: No single generic twin. See OBD Codes List

What it means

B0417. Left temperature feedback circuit is open. The HVAC module loses the driver side door position 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

Open left temperature feedback wire between the actuator and HVAC module
Broken or backed out terminal at the driver side actuator
Failed position sensor inside the driver side actuator
Corroded driver side actuator connector
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 continuity
Repair the open before replacing any parts
Replace the actuator or HVAC control module only after circuit tests pass, then clear the code and retest

Look up another code

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Sources and review

Review: checked against the recorded source material.

Code B0417 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0417
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
B0417 CHEVROLET Temperature Control Left Feedback Circuit Actuator Open | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes for B0417
Fetched directly. Model and year fitment remain curator claims.
B0417 CHEVROLET Temperature Control Left Feedback Circuit Actuator Open | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes for B0417
Same Chevrolet text as the engine-codes page (both sites share one publisher).

Last updated 2026-10-10.

Report a correction for B0417. Include your vehicle, the issue and a source if you have one.