Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSSAAB20109-5REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBUS AND DIAGNOSTICS COMMUNICATIONFAULT DIAGNOSIS, FAULT CODESDTC U18B9: PRIMARY HIGH SPEED CAN BUS SUBNET CONFIGURATION LIST; DTC U18BF: SECONDARY HIGH SPEED CAN BUS SUBNET CONFIGURATION LISTCIRCUIT/SYSTEM VERIFICATION
2010 Saab 9-5
Circuit/System Verification
2010 Saab 9-5SECTION Circuit/System Verification
- Verify the appropriate DTC is not set.
- If the DTC is set along with other codes, diagnose all other codes first. If no other codes are set, program the control module that set the DTC.
- With a scan tool, clear the DTCs.
- Ignition OFF, remove the scan tool, open and close the drivers door.
- Wait 60 seconds, then verify the DTC is not set.
- If the DTC is set, replace the appropriate control module.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.