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.
Diagnostic Trouble Code (DTC) Information
2004 Volvo V70 L5-2.4L VIN 64 B5244S6SECTION Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
The control modules communicate with each other in a network via a standardized serial communication procedure - CAN (Controller Area Network) - to exchange information. The diagnostic trouble code (DTC) is generated if the engine control module (ECM) registers that the software does not correspond with the other vehicle configurations, which results in the engine control module (ECM) being unable communicate with the other control modules.
Substitute value
- CAN communication is disabled
Possible source
- faulty software in the engine control module (ECM)
- damaged control module.
- This diagnostic trouble code is generated in combination with other trouble codes. Information on the possible root cause is described.
Fault symptom[s]
- electronic throttle system (ETS) warning lamp lit.
- The cruise control does not function at all
- The engine judders under acceleration
- The engine judders heavily after engine braking
- Uneven idle.
- Switch to gas power not possible.
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.