P1554moderate severityPowertrain
Cruise Engaged Circuit High Voltage
on 2016 Chevrolet Impala 2.5L I4 Ecotec · AWD
What this code means
The PCM detected high voltage on the cruise control engaged circuit when cruise should not be active.
Symptoms
- Cruise control activating unexpectedly
- Check Engine Light
- Cruise control inoperative
- Vehicle speed changes without input
Common causes
- Faulty cruise control switch
- Short to voltage in cruise control circuit
- Faulty cruise control module
- Damaged wiring
Diagnostic steps
- Test cruise control switch
- Check circuit voltage
- Inspect wiring for shorts to power
- Test cruise control module
Repair notes
Repair shorted wiring or replace cruise control switch/module.
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
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1