What does B0208 mean on a Chevy?

B0208. Rear blower motor speed circuit malfunction. The auxiliary blower cannot hold the commanded speed and the body warning light comes on. Applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

What causes B0208 on a Chevy?

Seized or dragging rear auxiliary blower motor Open or short in the rear blower speed circuit Blown or corroded rear blower fuse Corroded rear blower connector or ground Faulty output inside the rear blower control module

How do I fix B0208 on a Chevy?

Confirm the code with a scan tool and command each rear auxiliary blower speed Inspect and reseat the rear blower motor connector Check the rear blower fuse and test for voltage at the connector Test the rear blower speed circuit for opens, shorts and voltage drop Replace the rear blower or control module only after the circuit tests pass, then clear the code and retest

Code

B0208

Rear blower motor speed circuit malfunction

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

B0208. Rear blower motor speed circuit malfunction. The auxiliary blower cannot hold the commanded speed 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

Seized or dragging rear auxiliary blower motor
Open or short in the rear blower speed circuit
Blown or corroded rear blower fuse
Corroded rear blower connector or ground
Faulty output inside the rear blower control module

Standard procedure

Confirm the code with a scan tool and command each rear auxiliary blower speed
Inspect and reseat the rear blower motor connector
Check the rear blower fuse and test for voltage at the connector
Test the rear blower speed circuit for opens, shorts and voltage drop
Replace the rear blower or control module only after the 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 B0208 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0208
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
B0208 CHEVROLET Rear Blower Motor Speed Malfunction | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes for B0208
Fetched directly. Model and year fitment remain curator claims.
B0208 CHEVROLET Rear Blower Motor Speed Malfunction | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes for B0208
Same Chevrolet text as the engine-codes page (both sites share one publisher).

Last updated 2026-10-10.

Report a correction for B0208. Include your vehicle, the issue and a source if you have one.