Manual documents series standard and additional wiring diagrams for TGS/TGX vehicles. Based on CAD-created wiring diagrams for quick updates. Contains detailed key and current path designations
ZBR 01086-01 indicates pressure sensor problems in 3rd circuit. ZBR 01086-06/04 shows sensor issues in front of saddle. ZBR 01087-06 indicates pressure sensor error in 1 circuit. ZBR 03108-05 indicates electrical disconnect switch problem. ZBR 03300-03 shows starter-generator voltage issues
New battery must be installed before using used one from garage. Wiring mess found in garage is used for all connections. Wires can be connected in any order, but must be properly connected
Audi A6 C6 has a reputation as a reliable car. Regular oil changes recommended every 8,000 km for direct injection engines. CVT transmission issues can occur in front-wheel drive models. Timing chain tensioners can fail in V6 and V8 engines
P0087/88 indicate low/high fuel rail pressure problems. P0089/90 show fuel rail pressure regulator malfunctions. P0107/8 affect atmospheric pressure sensor readings. P0112/13 indicate intake air temperature sensor malfunctions. P0117/18 affect engine coolant temperature sensor readings
ENG 111 indicates engine controller failure. ENG 115-121 cover sensor issues with speed, position, and boost pressure. ENG 131-151 address throttle, oil, and coolant pressure problems. ENG 211-299 cover communication and control module errors