2021 Mazda 3 BaseFACTORY OEM SERVICE PROCEDURE

Vehicle Control Module DTCS

VEHICLE CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Refer to
C0049:85 (See DTC C0049:85 [VEHICLE CONTROL MODULE (US)] .)
C0063:54 (See DTC C0063:54 [VEHICLE CONTROL MODULE] .)
C1105:62 (See DTC C1105:62 [VEHICLE CONTROL MODULE (US)] .)
U0075:88 (See DTC U0075:88 [VEHICLE CONTROL MODULE] .)
U0077:88 (See DTC U0077:88 [VEHICLE CONTROL MODULE] .)
U0078:88 (See DTC U0078:88 [VEHICLE CONTROL MODULE] .)
U007B:88 (See DTC U007B:88 [VEHICLE CONTROL MODULE] .)
U0100:00 (See DTC U0100:00 [VEHICLE CONTROL MODULE] .)
U0101:00 (See DTC U0101:00 [VEHICLE CONTROL MODULE] .)
U0121:00 (See DTC U0121:00 [VEHICLE CONTROL MODULE (US)] .)
U0126:00 (See DTC U0126:00 [VEHICLE CONTROL MODULE] .)
U0131:00 (See DTC U0131:00 [VEHICLE CONTROL MODULE] .)
U0140:00 (See DTC U0140:00 [VEHICLE CONTROL MODULE] .)
U0151:00 (See DTC U0151:00 [VEHICLE CONTROL MODULE] .)
U0155:00 (See DTC U0155:00 [VEHICLE CONTROL MODULE] .)
U0156:00 (See DTC U0156:00 [VEHICLE CONTROL MODULE] .)
U0164:00 (See DTC U0164:00 [VEHICLE CONTROL MODULE] .)
U0401:68 (See DTC U0401:68 [VEHICLE CONTROL MODULE (US)] .)
U0401:82 (See DTC U0401:82 [VEHICLE CONTROL MODULE] .)
U0401:86 (See DTC U0401:86 [VEHICLE CONTROL MODULE] .)
U0402:68 (See DTC U0402:68 [VEHICLE CONTROL MODULE] .)
U0402:82 (See DTC U0402:82 [VEHICLE CONTROL MODULE] .)
U0402:86 (See DTC U0402:86 [VEHICLE CONTROL MODULE] .)
U0415:68 (See DTC U0415:68 [VEHICLE CONTROL MODULE (US)] .)
U0415:82 (See DTC U0415:82 [VEHICLE CONTROL MODULE (US)] .)
U0415:86 (See DTC U0415:86 [VEHICLE CONTROL MODULE (US)] .)
U0420:68 (See DTC U0420:68 [VEHICLE CONTROL MODULE] .)
U0420:82 (See DTC U0420:82 [VEHICLE CONTROL MODULE] .)
U0420:86 (See DTC U0420:86 [VEHICLE CONTROL MODULE] .)
U0422:82 (See DTC U0422:82 [VEHICLE CONTROL MODULE] .)
U0422:86 (See DTC U0422:86 [VEHICLE CONTROL MODULE] .)
U0423:68 (See DTC U0423:68 [VEHICLE CONTROL MODULE] .)
U0423:82 (See DTC U0423:82 [VEHICLE CONTROL MODULE] .)
U0423:86 (See DTC U0423:86 [VEHICLE CONTROL MODULE] .)
U0428:68 (See DTC U0428:68 [VEHICLE CONTROL MODULE] .)
U0428:82 (See DTC U0428:82 [VEHICLE CONTROL MODULE] .)
U0428:86 (See DTC U0428:86 [VEHICLE CONTROL MODULE] .)
U212E:00 (See DTC U212E:00 [VEHICLE CONTROL MODULE] .)
U2131:00 (See DTC U2131:00 [VEHICLE CONTROL MODULE] .)
U2133:00 (See DTC U2133:00 [VEHICLE CONTROL MODULE] .)
U213A:00 (See DTC U213A:00 [VEHICLE CONTROL MODULE] .)
U2300:54 (See DTC U2300:54 [VEHICLE CONTROL MODULE] .)
U2300:55 (See DTC U2300:55 [VEHICLE CONTROL MODULE] .)
U2300:56 (See DTC U2300:56 [VEHICLE CONTROL MODULE] .)
U250E:82 (See DTC U250E:82 [VEHICLE CONTROL MODULE] .)
U2511:68 (See DTC U2511:68 [VEHICLE CONTROL MODULE (US)] .)
U3000:05 (See DTC U3000:05 [VEHICLE CONTROL MODULE] .)
U3000:1C (See DTC U3000:1C [VEHICLE CONTROL MODULE] .)
U3000:49 (See DTC U3000:49 [VEHICLE CONTROL MODULE (US)] .)
U3003:16 (See DTC U3003:16 [VEHICLE CONTROL MODULE (US)] .)
U3003:17 (See DTC U3003:17 [VEHICLE CONTROL MODULE (US)] .)
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  • 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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