Diagnostic Trouble Code Definitions

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Diagnostic Trouble Code Definitions
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.
DTC DEFINITIONS

DTC Definition
01  Buckle Switch ON/OFF Signal
04  Door Switch ON/OFF Signal
05  Door Lock-Link Switch ON/OFF Signal
07  Rear Window Defroster Switch ON/OFF Signal
08  TNS Relay ON/OFF Signal
10  Vehicle Speed Input Signal
11  Engine Speed Input Signal
12  Operation Signal To Speedometer
13  Operation Signal To Tachometer
14  Operation Signal To Buzzer
16  Operation Signal To Fuel Level Warning Light
17  Operation Signal To Rear Window Defroster Indicator Light
18  Ignition Key Illumination ON/OFF Signal
20  Operation Signal To Rear Window Defroster Switch ON/OFF Signal
22  Fuel Level Signal
23  Operation Signal To Fuel Gauge
24  Water Temperature Signal
25  Operation Signal To Water Temperature Gauge
26  LCD Indication
27  Operation Signal To Interior Light
31  Key Reminder ON/OFF Signal
41  Shift Lock Solenoid ("P" Position Signal) ON/OFF Signal
42  Operation Signal To Interlock Solenoid
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.