2003 Volvo C70 2.3 53, StandardFACTORY OEM SERVICE PROCEDURE

Diagnostic trouble code (DTC) information

Condition 

The combined instrument panel transmits the global time on the CAN network. Diagnostic trouble code ECM-710A is stored if this is not transmitted to the engine control module (ECM).

Substitute Value 

None.

Possible Source 

Faulty signal: 

  • the time transmitted on the CAN network does not contain the correct data.

Fault symptom[s] 

None.

Factory Service Tools

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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.

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