P1703moderate severityPowertrain
Brake Switch Out of Self-Test Range
on 2016 Ford Flex 3.5L V6 EcoBoost · AWD
What this code means
The brake switch signal is not within the expected range during the KOER self-test. The brake switch signal is used by the transmission for torque converter clutch disengagement and cruise control operation.
Symptoms
- Check Engine Light
- Cruise control inoperative
- TCC may not disengage when braking
- Brake lights may not work
- Shift interlock may not release
Common causes
- Brake switch out of adjustment
- Faulty brake switch
- Brake pedal not pressed during self-test
- Wiring issue
Diagnostic steps
- Press and release brake pedal during KOER self-test
- Test brake switch operation (should change state when pedal is pressed)
- Check brake light operation
- Inspect brake switch wiring
Repair notes
Adjust or replace brake switch. Press brake during self-test.
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
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1