Ford Codes List

Ford-enhanced trouble code lookup
for Ford, Lincoln and Mercury.

Repair Order

655 Ford-enhanced codes on file

Code
P1857

Transfer Case Contact Plate C Short to Ground

Category
Powertrain - Transmission
Severity
Check Engine Light
Applies to
F-150, Super Duty, Explorer

Findings, check these first

  • Plate C shorted to ground
  • Pinched harness
  • Worn tracks
  • Corroded connector
  • Module fault

Standard procedure

  1. Isolate the short
  2. Inspect plate and harness
  3. Clean track area
  4. Check the connector
  5. Repair or replace the plate

Code lookup

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Sources and review

Review: checked against the recorded source material.

  • OBDII.pro: P1857 Ford definition

    live reference page (obdii.pro)

    Supports: Ford-family meaning for P1857: Transmission Transfer Case Contact Plate 'C' Short Circuit To Ground

    Fetched directly. obdii.pro is a publisher independent of the engine-codes family.

  • P1857 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes

    live reference page (obd2-codes.co)

    Supports: Ford meaning for P1857: Transmission Transfer Case Contact Plate ‘C’ Short Circuit To Ground

    Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.

Last updated 2026-09-06.

Report a correction for P1857. Include your vehicle, the issue and a source if you have one.

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