Signal Too High

2004 Volvo S80 L6-2.9L Turbo VIN 91 B6294TSECTION Signal Too High





Signal too high

Checking components and wiring
Check signal cable M+ between door control module connector terminal #B4 and central locking motor connector terminal #3. Check for a short-circuit to supply voltage.
Check signal cable M- between door control module connector terminal #B3 and central locking motor connector terminal #6. Check for a short-circuit to supply voltage.
Remedy as necessary.

Other information:
- To fault-trace wiring and terminals see Checking wiring and terminals Checking Wiring And Terminals
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- To access and replace the door control module, see Driver's door module / passenger door module (DDM/PDM), replacing Driver's Door Module/Passenger Door Module (DDM/PDM), Replacing
- For information about signals, see Signal specification Signal Specification, Driver Door Module (DDM) / Passenger Door Module (PDM)
- For information about power window mechanisms, see Window lift mechanism front side door, replacing Service and Repair.

Continue - Verification

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Verification




Verification

Hint: After the repair it is necessary to check that the fault has been rectified.








- Ignition off.
- Connect the connectors, install the components, etc.
- Ignition on.
Check that window operates by raising/lowering window to its end stops.

Does window operate?

Yes - Verification completed

No - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Checking components and wiring

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RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.