MTI_1137

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Multi-Model (Equipped With MAZDA CONNECT) - DTC
U0323/U0423/U3000 Cannot Be Deleted (Update)
Some vehicles (with MAZDA CONNECT) may exhibit a condition where DTC U0323(PCM) / U0423(ABS) /U3000(IC)
CANNOT be deleted when the TPMS warning light flashes and/or the TCS/DSC indicator lights are illuminated. This can
happen if the ignition is turned OFF within 20 seconds after the ignition is turned ON in one of the following two situations.
1. The “ROOM” fuse (Engine compartment) is NOT installed when battery level is low.
2. The CMU (Connectivity Master Unit) is NOT connected.
Repair Procedure
1. Confirm the CMU is connected.
2. Confirm the ROOM fuse is installed properly.
3. Change the Temperature and the Distance setting in MAZDA CONNECT System Settings.
• Temperature - Fahrenheit to Celsius (or vice versa)
• Distance - Miles to Kilometers (or vice versa)
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Turn the ignition OFF.
Remove the ROOM fuse.
Press and hold the tripmeter reset button more than 5 seconds.
Install the ROOM fuse.
Turn the ignition ON.
Delete the DTC(s) using M-MDS.
Return the original unit of Temperature and Distance in MAZDA CONNECT System Settings.
Note: If DTC codes do not clear, refer to Workshop Manual DTC U0323 [SKYACTIV-G].
An editorial board comprised of MNAO service staff members generates, collects, and verifies information for this publication. © 2016 Mazda Motor of
America, Inc.
To contribute repair tip ideas, send an e-mail to [email protected]. If we select your repair tip, you will receive $50 value in Reward Performance
by Mazda (RPM) points for your efforts. All contributions become property of MNAO, which assumes permission to publish them without further
consideration.
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https://portal.mazdausa.com/pinquiraesi/mazdaesi/index?page=detail_pagelet&id=MTI113... 11/3/2016