2021 Mazda MX-5 Miata Club, Automatic TransFACTORY OEM SERVICE PROCEDURE

Audio System DTCS

AUDIO SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Refer to
U0001:88 (See DTC U0001:88 [AUDIO AMPLIFIER] .)
U2300:54 (See DTC U2300:54/U2300:55/U2300:56/U2300:64 [AUDIO AMPLIFIER] .)
U2300:55
U2300:56
U2300:64
U3000:49 (See DTC U3000:49 [AUDIO AMPLIFIER] .)
U3003:16 (See DTC U3003:16 [AUDIO AMPLIFIER] .)
U3003:17 (See DTC U3003:17 [AUDIO AMPLIFIER] .)
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.