2007 Ford Mustang Base, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE

Warning Devices

INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Perform Test
B1353 Ignition Key-In Circuit Open Go to Pinpoint Test A .
B236A Chime Output Circuit Open INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER article. TEST the system for normal operation.
B2903 Chime Output Circuit Short to Battery INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER article. TEST the system for normal operation.
B2940 Chime Output Circuit Short to Ground INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER article. TEST the system for normal operation.
All other DTCs - REFER to MULTIFUNCTION ELECTRONIC MODULES article.
Factory Service Tools

Use the Manual With the Right Hardware

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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.