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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Electrical >> Gauges >> On-Board Diagnostic - Instrument Cluster >> DTC U0422-68; Error Signal Received From Front Body Control Module (FBCM) >> Diagnostic Procedure

Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY FRONT BODY CONTROL MODULE (FBCM) DTCs
Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)] .)
No Go to the next step.
2 VERIFY IF MALFUNCTIONING LOCATION IS FRONT BODY CONTROL MODULE (FBCM) DEPENDING ON REPEATABILITY
Yes Replace the front body control module (FBCM), then go to the next step.
(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION .)
No Go to Step 4.
3 VERIFY THAT REPAIRS HAVE BEEN COMPLETED
Yes Replace the instrument cluster, then go to the next step.
(See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
Yes Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [INSTRUMENT CLUSTER] .)
No DTC troubleshooting completed.