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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 263 (On-Board Diagnostic - Power Liftgate (PLG) Control Module) >> DTC U3000:49 Power Liftgate (PLG) Control Module Internal Malfunction >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2025 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC U3000:49 (POWER LIFTGATE CONTROL MODULE) DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY IF MALFUNCTIONING LOCATION IS POWER LIFTGATE (PLG) CONTROL MODULE DEPENDING ON REPEATABILITY 
  • Clear the DTC for the power liftgate (PLG) control module using the M-MDS. (See CLEARING DTC .)
  • Retrieve the power liftgate (PLG) control module DTCs using the M-MDS. (See DTC INSPECTION .)
  • Is the same DTC displayed?
 Yes Replace the power liftgate (PLG) control module, then go to the next step.
(See POWER LIFTGATE (PLG) CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
2 VERIFY IF OTHER DTCs DISPLAYED 
  • Are any other DTCs displayed?
 Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE .)
No DTC troubleshooting completed.
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