What does P1703 mean on a Ford?

P1703. Brake On/Off Switch Out of Self-Test Range. Applies to F-150, Ranger, Explorer, Expedition.

What causes P1703 on a Ford?

Self-test run without pressing the brake when prompted Failed brake on/off switch Misadjusted switch Open switch circuit Blown brake lamp fuse

How do I fix P1703 on a Ford?

Re-run the self-test and press the brake when prompted Verify brake lamp operation Check switch adjustment and continuity Inspect the fuse and circuit Replace the switch if it fails the retest

Code

P1703

Brake On/Off Switch Out of Self-Test Range

Category: Powertrain - Transmission
Severity: Check Engine Light
Applies to: F-150, Ranger, Explorer, Expedition
Related: P0571 Cruise Control/Brake Switch A Circuit Malfunction on OBD Codes List

Findings, check these first

Self-test run without pressing the brake when prompted
Failed brake on/off switch
Misadjusted switch
Open switch circuit
Blown brake lamp fuse

Standard procedure

Re-run the self-test and press the brake when prompted
Verify brake lamp operation
Check switch adjustment and continuity
Inspect the fuse and circuit
Replace the switch if it fails the retest

Code lookup

Type a code above, or start from a symptom or a common code.

Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.

Sources and review

Review: qualified. Read the source limits below.

OBDII.pro: P1703 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1703: Brake Switch Out Of Self Test Range
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Last updated 2026-09-04.

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