Control module and output signals

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2004 Audi A6, 2003 Audi S6, 2003 Audi A6, 2002 Audi S6, and 2002 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC TROUBLE CODE P1386-P1388

SAE-DTC	DTC text	Corrective action
P1386	Control module faulty	Replacing Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM), REMOVING AND INSTALLING .
P1387	Control module faulty
P1388	Control module faulty

DIAGNOSTIC TROUBLE CODE P1603-P1626

SAE-DTC	DTC text	Corrective action
P1603	Control module faulty	Replacing Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM), REMOVING AND INSTALLING .
P1604	Control module faulty
P1612	Engine Control Module (ECM) incorrectly coded	Code control module (function is not possible with the generic scan tool, therefore it is necessary to use the VAS 5052 in On Board Diagnostic (OBD) function for this purpose)
P1626	CAN-Bus Missing message from Transmission Control Module (TCM)	Check terminal resistance of CAN-Bus. See TERMINAL RESISTANCE FOR CAN-BUS, CHECKING .

DIAGNOSTIC TROUBLE CODE P1640-P1693

SAE-DTC	DTC text	Corrective action
P1640	Control module faulty	Replacing Engine Control Module (ECM). See ENGINE CONTROL MODULE (ECM), REMOVING AND INSTALLING .
P1648	Powertrain CAN-bus faulty	Check terminal resistance of CAN-Bus. See TERMINAL RESISTANCE FOR CAN-BUS, CHECKING .
P1690	Malfunction Indicator Lamp (MIL) -K83- Electrical malfunction in circuit	Check Malfunction Indicator Lamp (MIL) -K83-. See MALFUNCTION INDICATOR LAMP (MIL) FUNCTION TEST .
P1693	Malfunction Indicator Lamp (MIL) -K83- Short circuit to B+