P0725

Engine Speed Input Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect gear shifting
Check Engine Light Is On
The car goes into emergency mode
Idle problems
Delays when shifting gears

Causes

Engine speed sensor malfunction
Open or short circuit in the sensor circuit
Connector problems or contact corrosion
Transmission control unit malfunction
Mechanical damage to the wiring harness

How to Fix

Check the condition of the engine speed sensor
Inspect the sensor circuit for opens and shorts
Check contacts and connectors for oxidation
Test the transmission control unit
If necessary, replace the sensor or repair the circuit

Related codes

P0720 P0721 P0722