Low Fan Control Primary Circuit Malfunction
Findings, check these first
- Failed low-speed fan relay
- Open or shorted low fan control circuit
- Seized low-speed fan motor
- Blown fan fuse or fusible link
- PCM driver fault
Standard procedure
- Command the low fan on and check for operation
- Test the relay and fuse under load
- Check for power and ground at the fan motor
- Spin the fan by hand for seizure
- Replace the relay, motor or wiring per test results
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- OBDII.pro: P1474 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1474: Low Fan Control Primary Circuit Malfunction
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- P1474 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1474: Low Fan Control Primary Circuit
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-04.
Report a correction for P1474. Include your vehicle, the issue and a source if you have one.