Using Scan Tool

2000 Saturn SC2 Automatic, MP6SECTION Using Scan Tool
WARNING: This page is about a different car, the 2000 Chevrolet Corvette and 1999 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect scan tool to Data Link Connector (DLC) located under steering column. If scan tool powers up, go to next step. If scan tool does not power up, go to SCAN TOOL DOES NOT POWER UP under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
  2. Turn ignition on. Attempt to establish communication with the Left and Right Door Control Modules (LDCM/RDCM). If scan tool communicates with both DCMs, go to next step. If scan tool does not communicate with both DCMs, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
  3. Using scan tool, select DISPLAY DTCs function for LDCM and RDCM. If scan tool displays any DTCs, go to next step. If scan tool does not display and DTCs, diagnose by symptom. See SYMPTOM TESTS  .
  4. Retrieve DTCs and perform appropriate test. See DIAGNOSTIC TROUBLE CODE INDEX  table.
DIAGNOSTIC TROUBLE CODE INDEX

DTC Description
B2202  Left Window Up Switch Fault (LDCM)
B2203  Right Window Up Switch Fault (RDCM)
B2204  Left Window Down Switch Fault (LDCM)
B2205  Right Window Down Switch Fault (RDCM)
B2206  Right Window Up Switch Fault (LDCM)
B2208  Right Window Down Switch Fault (LDCM)
B2274  Left Window Motor Fault (LDCM)
B2275  Right Window Motor Fault (RDCM)
B2282  Battery No. 1 Fault (LDCM)
B2283  Battery No. 1 Fault (RDCM)
B2284  Battery No. 2 Fault (LDCM)
B2285  Battery No. 2 Fault (RDCM)
UXXXX (1)
(1) For any DTC beginning with the letter "U", diagnose communication problem with class 2 device. See SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE under SELF-DIAGNOSTIC SYSTEM in BODY CONTROL MODULES - CORVETTE article.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.