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Using Scan Tool

WARNING: This page is about a different car, the 2000 Chevrolet Corvette, 1999 Chevrolet Corvette, and 1998 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If scan tool is not available, see USING ON-BOARD DIAGNOSTICS  .
  1. Install scan tool. If scan tool powers up, go to next step. If scan tool does not power up, perform appropriate diagnostic procedure. See SELF-DIAGNOSTIC SYSTEM in appropriate BODY CONTROL MODULES article.
  2. Turn ignition on, engine off. Following scan tool manufacturer's instructions, attempt to establish communication with Left Driver Control Module (LDCM) and Right Door Control Module (RDCM). If communication with LDCM and RDCM is established, go to next step. If communication with LDCM and RDCM is not established, diagnose communication problem with class 2 device. See SELF-DIAGNOSTIC SYSTEM in appropriate BODY CONTROL MODULES article.
  3. Select display DTC function for LDCM and RDCM. Record all displayed DTCs, status of displayed DTCs and module that set the DTC. If DTCs are displayed, perform appropriate test. See DIAGNOSTIC TROUBLE CODE INDEX  table. If no DTCs are displayed, perform system operation check. See SYSTEM OPERATION CHECK  under TROUBLE SHOOTING.
DIAGNOSTIC TROUBLE CODE INDEX

DTC Description
B2222  Left Mirror Select Switch Fault
B2224  Right Mirror Select Switch Fault
B2226  Mirror Right Switch Fault
B2228  Mirror Left Switch Fault
B2232  Mirror Up Switch Fault
B2234  Mirror Down Switch Fault
B2262  Left Mirror Horizontal Position Sensor Fault
B2263  Right Mirror Horizontal Position Sensor Fault
B2264  Left Mirror Vertical Position Sensor Fault
B2265  Right Mirror Vertical Position Sensor Fault
B2272  Left Mirror Motor Fault
B2273  Right Mirror Motor Fault
UXXXX (1)
(1) For any DTC beginning with the letter "U", diagnose communication problem with class 2 device. See SELF-DIAGNOSTIC SYSTEM in appropriate BODY CONTROL MODULES article.