P25C3

Alternative Fuel Disable Signal Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Deterioration of vehicle dynamics
Problems with switching to alternative fuels
Unstable engine operation

Causes

Open or short circuit in the circuit
Alternate fuel cut-off sensor malfunction
Problems with the control module
Wiring harness damage

How to Fix

Check the continuity of the shutdown signal circuit
Check the condition of connectors and contacts
Check the functionality of the sensor
Check control module

Related codes

P25C1 P25C2 P25C4