What causes P1587 on a Ford?

TCU command driver fault Wiring fault in the command circuit Failing throttle motor Corroded connector PCM command fault

How do I fix P1587 on a Ford?

Test TCU command output Check the command circuit Verify throttle motor response Inspect connectors Replace the TCU after circuit proof

P1587 Throttle Control Unit Modulated Command Malfunction

Q: What does P1587 mean on a Ford?

P1587 — Throttle Control Unit Modulated Command Malfunction. Applies to Contour, Mystique, early electronic-throttle Fords.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: Contour, Mystique, early electronic-throttle Fords

What does P1587 mean on a Ford?

P1587 — Throttle Control Unit Modulated Command Malfunction. This Ford-enhanced code applies to Contour, Mystique, early electronic-throttle Fords.

Common causes of P1587

TCU command driver fault
Wiring fault in the command circuit
Failing throttle motor
Corroded connector
PCM command fault

How to fix P1587

Test TCU command output
Check the command circuit
Verify throttle motor response
Inspect connectors
Replace the TCU after circuit proof