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2004
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Allroad Quattro (4BH) V6-2.7L Turbo (BEL)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P1854
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01L, 5 Speed A/T AWD
01L, 5 Speed A/T AWD
DTC 18262 / P1854
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The information exchange between the Engine Control Module (ECM) and TCM occurs via the CAN-BUS. All information signals go through 2 wires.
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Function of CAN-BUS