Diagnostic Trouble Code (DTC) Information

2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2SECTION Diagnostic Trouble Code (DTC) Information





Diagnostic trouble code (DTC) information

Condition
Diagnostic trouble code (DTC) AEM-5F23 is stored if the control module registers that the signal is too high in the signal cable from the remote start unit.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is on.

Substitute value
- None.

Possible source
- Short-circuit to supply voltage in the signal cable for the remote start unit
- Defective remote start unit.

Fault symptom[s]
- The parking heater does not operate.

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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.