0CJ Gearbox Control Module TCU TCM Applicable To Audi 2014-UP 0CJ927156
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Typical Faults:
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Internal Power Supply Failure
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Symptoms: Sudden "Transmission Emergency Mode" (U0101/U0401 codes)
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Root Cause: Cracked solder joints on voltage regulator ICs
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CAN Bus Communication Loss
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Symptoms: Intermittent no-shift, dash warnings (U0121/U0100)
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Culprit: Corroded pins in 32-pin connector (especially pins 12/13)
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EEPROM Corruption
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Symptoms: Erratic shifts, adaptation reset failures (P0602/P1700)
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Trigger: Voltage spikes during jump-starts
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Critical Diagnostics:
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Check TCM supply voltage (Terminal 30: 12.6V±0.5V)
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Inspect ground points (chassis G203/G205)
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Software: Always flash latest firmware (addresses shift logic bugs)
Pro Tip: Replacement requires component protection removal via OEM tool (ODIS/VAS).
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Audi 2014 Gearbox Control Module
,0CJ Gearbox Control Module TCU
,0CJ927156 Gearbox Control Module
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