P0494 Code Meaning, Causes, Symptoms & Tech Notes
What does the OBDII code P0494 mean? P0494 indicates that the engine control module (ECM) has detected a lower-than-expected cooling fan speed, which may affect engine cooling …
P0494 – Fan Speed Low - Causes, Symptoms and Fixes
Jan 31, 2025 · What does the P0494 code mean? The P0494 code is a diagnostic trouble code (DTC) that indicates a low fan speed condition in the secondary air injection system. This …
Code P0494 Fan Speed Low - OBD-Codes.com
Symptoms of a P0494 engine code may include: Typically the causes for this code to set are: Whenever you are working with electrical systems, some of the basic tools that are a good …
P0494 - Fan Speed Low - RepairPal
Learn about P0494 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal.
P0494 Code Symptoms, Causes, Diagnostic Steps, Cost & Safety
Drivers who encounter a flashing cooling‑fan warning lamp or notice that the engine temperature climbs faster than usual are often confronted with the P0494 trouble code. The code tells the …
P0494 – OBD ADVISOR
Is your scanner showing P0494? No worries. We'll show you what it means and how to deal with it. Can I Still Drive? What Does The P0494 Code Mean? The fan the manufacturers are …
P0494 – Engine coolant blower motor speed -low – …
Aug 2, 2017 · Since failed radiator fan switches often cause code P0494, a good way to test the circuit is to insert a jumper wire between the ground and a live wire. If the fan motor and the …