Diagnostic Trouble Code (DTC) Information ECM-P06344B

Condition 

Fig 1: Identifying Engine Control Module (ECM)

Courtesy of VOLVO CARS CORPORATION

If engine control module (ECM) registers that internal temperature in engine control module (ECM) has exceeded 105 °C for longer than 60 seconds, the diagnostic trouble code is generated.

The diagnostic trouble code can be diagnosed when the engine is running.

Substitute Value 

• Engine cooling fan is activated according to predefined speed.

Possible Source 

• Extreme weather conditions.

Fault symptom[s] 

• Nothing.