Laser 5089 Code Reader User’s Guide_ Laser 5089 Code Reader User’s Guide_
7.1 Error Message
When a “Communication Error!” message displays, please check the following:
• Verify ignition key is in the ON position.
• Make sure the code reader is correctly attached to vehicle’s Data Link
Connector (DLC).
• Check DLC for cracked or recessed pins, or for any substance that could
prevent a good electrical connection.
• Check OBDII connector for bent or broken pins.
• Make sure the vehicle is OBDII/EOBD compliant.
• Turn the vehicle key to OFF for 10 secs and then back to ON.
• Verify battery voltage is at least 8.0V.
• Verify that the control module is not defective.
7.2 Code Reader Does Not Power Up
If Laser 5089 will not power up, communicate with vehicle’s control module, or
functions incorrectly in any other way, do the following:
• Check DLC for broken or bent pins and clean the pins if need be.
• Make sure it is correctly connected to vehicle’s DLC.
• Verify battery voltage is at least 8.0V
1. Remove battery cover with a screwdriver.
2. Remove battery and discard according to your local waste regulations.
3. Install a new 9V alkaline battery.
4. Reinstall the battery cover with the screwdriver.
7. Troubleshooting
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