Brand Name:
to Audi
Model Number:
0CK;DL382
Typical Faults:
Internal Power Supply Failure
Symptoms: Sudden "Transmission Emergency Mode" (U0101/U0401 codes)
Root Cause: Cracked solder joints on voltage regulator ICs
CAN Bus Communication Loss
Symptoms: Intermittent no-shift, dash warnings (U0121/U0100)
Culprit: Corroded pins in 32-pin connector (especially pins 12/13)
EEPROM Corruption
Symptoms: Erratic shifts, adaptation reset failures (P0602/P1700)
Trigger: Voltage spikes during jump-starts
Critical Diagnostics:
Check TCM supply voltage (Terminal 30: 12.6V±0.5V)
Inspect ground points (chassis G203/G205)
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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