What causes P1706 on a Ford?

Failing speed sensor reporting phantom speed Electrical noise on the speed circuit Chafed speed wiring shorting intermittently Failing instrument cluster backfeeding speed PCM input fault

How do I fix P1706 on a Ford?

Graph the speed signal in Park for phantom readings Inspect speed wiring for chafing Check for noise sources and bad grounds Test the speed sensor Repair wiring or replace the sensor

P1706 High Vehicle Speed Observed in Park

Q: What does P1706 mean on a Ford?

P1706 — High Vehicle Speed Observed in Park. Applies to F-150, Explorer, Ranger.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: F-150, Explorer, Ranger

What does P1706 mean on a Ford?

P1706 — High Vehicle Speed Observed in Park. This Ford-enhanced code applies to F-150, Explorer, Ranger.

Common causes of P1706

Failing speed sensor reporting phantom speed
Electrical noise on the speed circuit
Chafed speed wiring shorting intermittently
Failing instrument cluster backfeeding speed
PCM input fault

How to fix P1706

Graph the speed signal in Park for phantom readings
Inspect speed wiring for chafing
Check for noise sources and bad grounds
Test the speed sensor
Repair wiring or replace the sensor