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.
1		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.
2	Confirm the second digit from the right.	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.
3	Confirm the third digit from the right.	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.