Check Code Table

2008 Mazda CX-7 Touring, 2.3 3, AWDSECTION Check Code Table
CHECK CODE CHART

Check code Check item Related items
01 Information display CAN system
  • DTC U2516: CAN system communication error
02
  • Audio unit
  • Climate control unit
  • Instrument cluster
CAN system
  • DTCU0184: Communication error to audio unit
  • DTCU0166: Communication error to climate control unit
  • DTCU0181: Communication error to instrument cluster
04 TNS relay
  • TNS relay
  • TNS signal wiring harness
- LCD LCD
NOTE:
  • The check codes are displayed in numerical order. (While performing the inspection, if you want to inspect a check code with a number smaller than the code number you are currently inspecting, terminate the check mode then repeat the inspection from the beginning.)
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:

  • 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.