2008 Jeep Commander Base, 3.7 K, RWDFACTORY OEM SERVICE PROCEDURE

Horn System DTCS

HORN SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
B2336 HORN CONTROL CIRCUIT LOW
B2337 HORN CONTROL CIRCUIT HIGH
B2339 HORN SWITCH STUCK
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.

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