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.
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HOMESERVICE MANUALSVOLVO2004S80 L6-2.9L TURBO VIN 91 B6294TREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSSAS CODES (STEERING WHEEL ANGLE SENSOR MODULE)SAS-0024INTERMITTENT FAULTSIGNAL MISSING
2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294T
Signal Missing
2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294TSECTION Signal Missing
Signal missing. Intermittent fault
Checking wiring and terminals
Check the wiring between the control module for the steering wheel angle sensor
terminal #1 (terminal (#A25) and steering wheel module (SWM) terminal #6 (terminal #A6)
terminal #8 (terminal (#A32) and steering wheel module (SWM) terminal #7 (terminal #A7)
terminal #9 (terminal (#A33) and steering wheel module (SWM) terminal #12 (terminal #A12)
check for contact resistance and oxidation. Check for an intermittent open-circuit.
Other information:
- To connect the breakout box to the control module for the steering wheel angle sensor, see Connecting the breakout box to the steering angle sensor Connecting the Breakout Box
- To connect the breakout box to the steering wheel module (SWM), see Connecting the breakout box Connecting the Breakout Box
- To replace the steering wheel angle sensor, see Contact reel / steering wheel angle sensor, replacing Contact Reel / Steering Wheel Angle Sensor, Replacing
- For information about signals to the control module for the steering wheel angle sensor, see Signal description, Control unit for the steering wheel angle sensor (SAS)
- For information about signals to the steering wheel module (SWM), see Signal specification Signal Specification, Steering Wheel Module (SWM)
- Checking wiring and terminals Checking Wiring And Terminals
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - Exit fault-tracing
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Attempt New Test - Checking wiring and terminals
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RENDER: 1.0x
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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.