VOLVO
DCDC-P060400 - Internal Control Module Random Access Memory (RAM) Error. General Failure Information. No sub type information
System
Unknown System / Manufacturer Specific
Volvo models this fault code applies to
Applies to the following models:
1 modelV60 (2011–)
Show models by year and engine (2)
What does this fault code mean?
The DC/DC converter control module has found an internal fault in its RAM memory, and the fault code is set when the module runs its memory check. The fault means the high voltage battery does not charge and forces hybrid mode. The fault is inside the control module itself.
Possible causes
- The control module has an internal memory fault
What you can do
- 1Switch the ignition off, wait a moment, switch it on again, then see whether the fault code returns
- 2If the fault remains, a workshop should replace the DC/DC converter control module (DCDC)
- 3As DCDC is part of the high voltage system, it may only be replaced or worked on by trained staff in a workshop
Symptoms you may notice3
- Text message and warning symbol in the display
- The high voltage battery does not charge while driving
- The PURE, SAVE and AWD drive modes disengage automatically or are not available
What the fault can affect2
- The high voltage battery does not charge
- Hybrid driving mode is forced
General guidance for car owners. Diagnosis on the car can point to a different cause.