Brake Switch Out of Self-Test Range
2000-2006 Lincoln LS 3.0L V6
Description
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
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1703 on Other Vehicles
Lincoln Aviator
2003-2005 4.6L V8
Lincoln Aviator
2003-2005 4.6L V8 DOHC
Lincoln Aviator
2020-2024 3.0L Twin-Turbo V6
Lincoln Aviator
2020-2024 3.0L V6 Twin Turbo
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin Turbo V6 PHEV
Lincoln Aviator Grand Touring
2020-2024 3.0L Twin-Turbo V6 Hybrid
Lincoln Aviator Grand Touring
2020-2024 3.0L V6 Twin Turbo Hybrid
Lincoln Blackwood
2002-2002 5.4L V8
Common Questions
What does code P1703 mean on a 2000-2006 Lincoln LS?
P1703 stands for "Brake Switch Out of Self-Test Range". 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.
What are the symptoms of P1703 on a Lincoln LS?
Common symptoms of P1703 include: Check Engine Light, Cruise control inoperative, TCC may not disengage when braking, Brake lights may not work, Shift interlock may not release.
What causes P1703 on a 2000-2006 Lincoln LS?
Common causes of P1703 include: Brake switch out of adjustment, Faulty brake switch, Brake pedal not pressed during self-test, Wiring issue.