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 L5-2.5L TURBO VIN 59 B5254T2REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSCCM CODES (CLIMATE CONTROL MODULE)CCM-0004FAULTY SIGNAL
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2
Faulty Signal
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2SECTION Faulty Signal
Faulty signal
Checking the refrigerant
Check the level of the refrigerant and that there are no leaks in the climate control system.
Remedy as necessary.
Note! Always disconnect the battery lead when working on the climate control system. See Battery, replacing Battery, Replacing.
Other information
- For visual and physical checks, see Visual and physical check Visual and Physical Check
- To fill with refrigerant, see Refrigerant, filling Refrigerant, Filling
- For vacuum pumping, see
- To leak trace using an electronic leak tracer, see Leak tracing, electronic leak tracer Leak Tracing, Electronic Leak Tracer
- To leak trace using fluorescent tracing agent and an UV flashlight, see Leak tracing, fluorescent tracing agent / UV lamp Leak Tracing, Fluorescent Tracing Agent / UV Lamp
- To fill with fluorescent tracing agent, see Filling with fluorescent tracing agent with the refrigerant Filling With Fluorescent Tracing Agent With the Refrigerant.
Was a fault detected?
Yes - Verification
No - No Fault Found
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Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off.
Note! Wait at least 1 minute before "Ignition on". This is to allow the climate control module (CCM) to carry out a new diagnostic.
- Reinstall the connectors, components etc.
- Ignition on
- Read off diagnostic trouble codes (DTCs).
The fault is no longer present if the status of the diagnostic trouble code (DTC) has changed to intermittent.
Does the status change?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - Fault Found
VERIFICATION FAILED - Information
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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 the refrigerant
FAULT-TRACING FAILED - No Fault Found
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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:
- • 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.