P0638high severityPowertrain
Throttle Actuator Control Range/Performance (Bank 1)
on 2015 Ford F-150 5.0L V8 Coyote · RWD
What this code means
The PCM detected that the throttle actuator is not responding within the expected range. This can cause reduced power and limp mode.
Symptoms
- Reduced engine power
- Check engine light on
- Erratic or limited throttle response
Common causes
- Faulty throttle body/actuator
- Dirty throttle plate
- Damaged throttle control wiring
- Faulty PCM
Diagnostic steps
- Scan throttle position data
- Inspect and clean throttle body
- Test throttle actuator motor and wiring
- Perform throttle relearn or replace throttle body
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0005
Fuel Shutoff Valve A Control Circuit/Open