P1703 - Brake Switch Out Of Self-Test Range

2004 Ford Focus ZX3, 2.0 3, StandardSECTION P1703 - Brake Switch Out Of Self-Test Range
P1703 - BRAKE SWITCH OUT OF SELF-TEST RANGE

Description:  Indicates that during Key On Engine Off (KOEO) self-test, the BPP signal was high, or during Key On Engine Running (KOER) self-test, the BPP signal did not cycle high and low.
Possible Causes: 
  • Open or short in the (BPP) circuit.
  • Open or short in the stoplamp circuits.
  • Damaged PCM.
  • Malfunction in module(s) connected to the BPP circuit (rear electronic module [REM] for Freestar/Monterey, LS, and Thunderbird or lighting control module [LCM] for Town Car).
  • Damaged brake switch.
  • Misadjusted brake switch.
Diagnostic Aids:  Check for proper function of the stoplamps. Using a diagnostic tool, check the BPP PID. The stoplamps and PID should toggle on and off with brake pedal activation.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
Town Car REFER to the appropriate EXTERIOR LIGHTING article for further diagnosis of the lighting control module LCM system. Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self-test. REFER to the appropriate EXTERIOR LIGHTING article for further diagnosis of the lighting control module LCM system. Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self-test. REFER to the appropriate EXTERIOR LIGHTING article for further diagnosis of the lighting control module LCM system. Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self-test.
Freestar/Monterey REFER to the appropriate EXTERIOR LIGHTING article for further diagnosis of the Smart Junction Box (SJB). Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self-test. REFER to the appropriate EXTERIOR LIGHTING article for further diagnosis of the Smart Junction Box (SJB). Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self-test. REFER to the appropriate EXTERIOR LIGHTING article for further diagnosis of the Smart Junction Box (SJB). Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self-test.
Expedition, Navigator REFER to the appropriate ANTI-LOCK CONTROL article for further diagnosis of the cause of the incorrect brake pedal status from the ABS to the PCM. Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self -test. REFER to the appropriate ANTI-LOCK CONTROL article for further diagnosis of the cause of the incorrect brake pedal status from the ABS to the PCM. Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self -test. REFER to the appropriate ANTI-LOCK CONTROL article for further diagnosis of the cause of the incorrect brake pedal status from the ABS to the PCM. Make sure the break pedal was applied and released for the KOER self-test and the break pedal was applied for the KOEO self -test.
All other GO to FD: Brake Pedal Inputs STEP 2 GO to FD: Brake Pedal Inputs STEP 1 GO to FD: Brake Pedal Inputs STEP 3
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
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