P0635moderate severityPowertrain
Power Steering Control Circuit
on 2015 Kia Forte 1.8L I4 · FWD
What this code means
The PCM detected a fault in the power steering control circuit. This can affect electric power steering assist or idle compensation.
Symptoms
- Heavy or loss of steering assist
- Check engine light on
- Idle fluctuation during steering
Common causes
- Faulty power steering control circuit wiring
- Failed power steering pressure switch
- Faulty power steering module
- Faulty PCM
Diagnostic steps
- Scan for power steering related codes
- Inspect power steering control wiring and connectors
- Test power steering circuit voltage/continuity
- Verify operation of steering assist
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1