Diagnostic System Check - Data Link Communications. Chevrolet S10

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 S10 - Electric 🢒 Body and Accessories 🢒 Data Link Communications 🢒 Diagnostic System Check - Data Link Communications

Step

Action

Normal Result(s)

Abnormal Result(s)*

Connect the Scan Tool to the Data Link Connector (DLC).
Perform the OBD System Check in Power Inverter Controls or Battery Pack Controls.

The OBD System Check is completed. The system is normal.

•	Scan Tool Inoperative

•	DTC U1040 Loss of Class 2 Communications with ABS

•	DTC U1088 Loss of Communications with SDM

•	DTC U1096 Loss of Communications with IPC

•	DTC U1000 Loss of Class 2 Serial Data Fault

•	Scan Tool Does Not Communicate with Class 2 Data Line

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.