Front blower motor speed circuit voltage is low
What it means
B0195. Front blower motor speed circuit voltage is low. The blower runs slow or not at all and the module sets a body warning. This Chevy-enhanced code applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.
Findings, check these first
- Front blower speed signal circuit shorted to ground
- Failed front blower motor control module pulling the speed signal low
- Corroded or loose front blower motor connector
- Front blower motor with high current draw dragging the signal down
- Faulty output inside the HVAC control head
Standard procedure
- Confirm the code with a scan tool and command a high front blower speed
- Measure the front blower speed signal voltage at the control module
- Inspect the front blower motor and control module connectors for corrosion
- Test the front blower speed signal circuit for a short to ground
- Replace the front blower motor 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 B0195 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0195
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
- B0195 CHEVROLET Front Blower Motor Speed Circuit Low | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes
Fetched directly. Model and year fitment remain curator claims.
- B0195 CHEVROLET Front Blower Motor Speed Circuit Low | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes
Same Chevrolet text as the engine-codes page (both sites share one publisher).
Last updated 2026-10-10.
Report a correction for B0195. Include your vehicle, the issue and a source if you have one.