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 MANUALSVOLVO2004V70 L5-2.4L VIN 64 B5244S6REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSDDM/PDM CODES (DRIVER/PASSENGER DOOR MODULE)DDM/PDM-002BSIGNAL TOO LOW
2004 Volvo V70 L5-2.4L VIN 64 B5244S6
Signal Too Low
2004 Volvo V70 L5-2.4L VIN 64 B5244S6SECTION Signal Too Low
Signal too low
Checking for permanent or intermittent faults
- Ignition on.
Press the switch for the power door mirrors. Move the door mirrors to their limit position.
Can the power door mirrors be maneuvered?
Yes - Intermittent fault
No - Checking for a short-circuit
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Checking for a short-circuit
Check the cable between door control module terminal #27A and power door mirror terminal #7 (both 10 and 16-pin connectors). Check for a short-circuit to ground.
Remedy as necessary.
Replace the cable if a fault is found.
Try a new power door mirror if the cable is OK.
Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- For further information about signals and other values, see Signal specification Pinout Values and Diagnostic Parameters
- To access the connector for the power door mirror / replace the power door mirror, see Door mirror, replacing Service and Repair
- Checking wiring and terminals Checking Wiring And Terminals.
Continue - Verification
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Verification
Verification
Verification
Hint: After the repair it is necessary to check that the fault has been rectified.
- Ignition off.
- Connect connectors, install components, etc.
- Ignition on.
Test the rear-view mirror for a few seconds; the mirror should move in opposite directions.
Does the mirror work?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - Fault Found
VERIFICATION FAILED - Fault-tracing information
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Intermittent fault
Check the control module and power door mirror connectors. Check for contact resistance, oxidation and loose connections.
Check the cable between door control module terminal #27A and power door mirror terminal #7 (both 10 and 16-pin connectors). Check for an intermittent short-circuit to ground.
Other information:
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box
- For further information about signals and other values, see Signal specification Pinout Values and Diagnostic Parameters
- To access the connector for the power door mirror / replace the power door mirror, see Door mirror, replacing Service and Repair
- Door mirror, replacing Service and Repair.
Continue - 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 - FAULT-TRACING FAILED
No - Attempt New Test
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Attempt New Test - Checking for permanent or intermittent faults
FAULT-TRACING FAILED - No Fault Found
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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 - Fault Found
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Attempt New Test - Checking for permanent or intermittent faults
FAULT FOUND - Fault Found
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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.