Ford Codes List

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

Repair Order

655 Ford-enhanced codes on file

Code
P1828

Transfer Case Counter-Clockwise Shift Relay Coil Circuit Failure

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

Findings, check these first

  • Failed counter-clockwise shift relay
  • Open relay coil circuit
  • Blown transfer case fuse
  • Corroded socket
  • Module driver fault

Standard procedure

  1. Check fuses
  2. Swap the relay
  3. Test coil resistance
  4. Inspect the socket
  5. Verify shifting in both directions

Code lookup

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Sources and review

Review: checked against the recorded source material.

  • OBDII.pro: P1828 Ford definition

    live reference page (obdii.pro)

    Supports: Ford-family meaning for P1828: Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure

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

  • P1828 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes

    live reference page (obd2-codes.co)

    Supports: Ford meaning for P1828: Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure

    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 P1828. Include your vehicle, the issue and a source if you have one.

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