Check code 59

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Check code 59
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
CHECK CODE 59 DIAGNOSTIC PROCEDURE

STEP INSPECTION INDICATION ACTION
1 The three digits number is indicated after selecting check code 59.
Confirm the first digit from the right.
First digit from the right
0
The CAN system is okay.
Go to next step.
First digit from the right
1
The DTC of CAN system is detected.
Perform the DTC inspection. (See DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM] .)
  • If the CAN system is okay, replace the instrument cluster.

Go to next step.
2 Confirm the second digit from the right. Second digit from the right
0
The wiring harnesses between the fuel gauge sender unit and instrument cluster are okay.
Go to next step.
Second digit from the right
1
Inspect following parts.
  • Fuel gauge sender unit
  • Wiring harness (Fuel gauge sender unit-instrument cluster)
    • If fuel gauge sender unit and wiring harness are okay, replace the instrument cluster.

Go to next step.
3 Confirm the third digit from the right. Third digit from the right
0
The fuel pulse signal from the PCM is okay.
Third digit from the right
1
Inspect the PCM.
See DTC TABLE [L3] , DTC TABLE [AJ] , PCM INSPECTION [L3] , PCM INSPECTION [AJ]
  • If the PCM is okay, replace the instrument cluster.
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.