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 MANUALSVOLVO2003V70 2.4 L5-2.4L VIN 61 B5244SREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSECM CODES (ENGINE CONTROL MODULE)ECM-4340DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION
2003 Volvo V70 2.4 L5-2.4L VIN 61 B5244S
Diagnostic Trouble Code (DTC) Information
2003 Volvo V70 2.4 L5-2.4L VIN 61 B5244SSECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information ECM-4340
Condition
The engine control module (ECM) receives confirmation via the controller area network (CAN) that the request for locking the fuel tank filler cover has been transmitted to the locking relay from the rear electronic module (REM). Locking must occur at 7 km/h.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that the vehicle speed exceeds 7 km/h without the signal for locking being received.
Substitute value
- None.
Possible source
- Loose connections or contact resistance in the terminals for the controller area network (CAN)
- Damaged wiring for the control area network (CAN)
- Interference on the CAN signal wiring
- Another node in the high-speed control area network (CAN) is damaged.
Fault symptom[s]
- None.
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.