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DTC U1301: CLASS 2 DATA LINK HIGH Chevrolet Venture I

DTC U1305 can not be retrieved with a current status. Probable cause to set this DTC is an intermittent condition creating a short to power in class 2 data bus circuits or loss of communications for 3 seconds. Check wiring harness for damage. Check for poor connections in all related connectors. For further diagnostics, see SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE .