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Home >> Mazda >> 2020 >> CX-5 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Auto Leveling Control Module >> DTC U3000-49: Auto Leveling Control Module Internal Malfunction >> Diagnostic Procedure
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Diagnostic Procedure

DTC U3000:49 (AUTO LEVELING CONTROL MODULE) DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY IF MALFUNCTIONING LOCATION IS AUTO LEVELING CONTROL MODULE DEPENDING ON REPEATABILITY
  • Clear the auto leveling control module DTCs using the M-MDS. (See CLEARING DTC .)
  • Retrieve the auto leveling control module DTCs using the M-MDS. (See DTC INSPECTION .)
  • Is the same DTC displayed?
 
Yes
Replace the auto leveling control module, then go to the next step.
(See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
2 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
 
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE .)
No DTC troubleshooting completed.