Diagnostic Tests: Notes

2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Notes
WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description
DTC 01  ACTUATOR CIRCUIT
DTC 05  BRAKE SWITCH
DTC 07  BRAKE SWITCH
DTC 11  CRUISE CONTROL SWITCH (SET/COAST SWITCH)
DTC 12  CRUISE CONTROL SWITCH (RESUME/ACCEL SWITCH)
DTC 13  CRUISE CONTROL SWITCH (GROUND CIRCUIT)
DTC 15  CRUISE CONTROL MODULE
DTC 21  CRUISE CONTROL SWITCH (SET/COAST SWITCH)
DTC 22  CRUISE CONTROL SWITCH (RESUME/ACCEL SWITCH)
DTC 31  BRAKE SWITCH CIRCUIT
DTC 35  TRANSMISSION RANGE (TR) SWITCH CIRCUIT
DTC 37  VEHICLE SPEED SENSOR CIRCUIT
NOTE: These tests are only to be used when sent here to from SELF-DIAGNOSTIC SYSTEM  .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.