2002 Lincoln LS 3.9 AFACTORY OEM SERVICE PROCEDURE

Powertrain Control (Pcm) Module (DTCS)

POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action/Go to
P1460 WOT A/C cutout internal driver malfunction SELF-DIAGNOSTICS DTCΒ 
P1461 A/C pressure sensor circuit high input SELF-DIAGNOSTICS DTCΒ 
P1462 A/C pressure sensor circuit low input SELF-DIAGNOSTICS DTCΒ 
P1463 A/C pressure sensor insufficient pressure variation SELF-DIAGNOSTICS DTCΒ 
P1464 A/C demand out of self-test range SELF-DIAGNOSTICS DTCΒ 
P1469 Low A/C cycling period SELF-DIAGNOSTICS DTCΒ 
P1474 Low speed fan internal driver failure SELF-DIAGNOSTICS DTCΒ 
P1479 High speed fan internal driver failure SELF-DIAGNOSTICS DTCΒ 
Factory Service Tools

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When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.