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 CHARTSECM CODES (ENGINE CONTROL MODULE)ECM-4000SIGNAL TOO HIGH - INTERMITTENT FAULT
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2
Signal Too High - Intermittent Fault
2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2SECTION Signal Too High - Intermittent Fault
Signal too high. Intermittent fault
Checking the wiring
Check the signal cable between control module terminal #A9 (#A9) and evaporative emission system (EVAP) valve terminal 2. Check for an intermittent short-circuit to supply voltage.
Other information:
- To connect the breakout box / access the control module, see Connecting the breakout box, B5244T5, B5254T2 Connecting the Breakout Box
- For the location of components on 5 cylinder engines, see Location of components Locations
- For the location of components on 6 cylinder normally aspirated engines, see Location of components Locations
- For the location of components on 6 cylinder turbocharged engines, see Location of components Locations
- For information about signals on 5 cylinder engines, see Signal specification Signal Description / Specification
- For information about signals on 6 cylinder engines, see Signal specification Signal Description / Specification
- 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 - Fault Found
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Attempt New Test - Checking the wiring
FAULT FOUND - DONE
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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.