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Home >> Mazda >> 2007 >> 6 Mazdaspeed >> Repair and Diagnosis >> Electrical >> Horns >> Instrumentation/Driver Info >> Instrument Cluster Input/Output Check Mode >> Inspection of Check Codes >> Check code 23

Check code 23

CHECK CODE 23 DIAGNOSTIC PROCEDURE

Check code 23  Operation signal to fuel gauge 
INSPECTION INDICATION SITUATION ACTION
Wait for 2 seconds  after selecting check code 23.
G04327755
Fuel gauge indicates in following order every 2 seconds. 
  • F --> 1/2 --> E --> F (fixed)
Fuel gauge is okay.
Other than stated above. Replace instrument cluster.
G04327756
Replace instrument cluster.