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Home >> Porsche >> 2017 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 730 (Diagnostic Trouble Code Index DTC: Tire Pressure Monitoring System Control Module (TPMSCM) -- Discovery/L462) >> Diagnostic Trouble Code Index DTC: Tire Pressure Monitoring System Control Module (TPMSCM) >> Description And Operation >> DTC U0001-81: High Speed CAN Communication Bus - Invalid Serial Data Received >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When the ignition is switched on, if the warning indicator flashes for 75 seconds then remains illuminated a system fault is present, if the warning indicator does not flash but remains illuminated, check for tire pressure issues
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