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Home >> Saab >> 2003 >> 9-5 Arc, 4D Sedan >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Bus And Diagnostics Communication) >> Fault diagnosis, general >> No P-bus system can be contacted >> Checking the wiring harness

Checking the wiring harness

WARNING: This page is about a different car, the 2003 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
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