[tiguan]

Dear members

I have a problem that I can't solve, Vw Golf GTE Hybrid

in this case the gearbox was replaced, with the same mechtronic used (all gearbox replaced)
plugs have been disconnected. everything was properly installed and checked.

diagnosis done via Odis tool
also run via odis
commissioning High Voltage system (no success)

DTC:
8C= Battery Energy Control Module
P0A0A = J840- Pilot Line

08= Electronics Air conditioning/heating
U0460= J842- Electric air conditioning compressor.

Pilot Line plug = OK
Fuse = OK
wiring via diagram as far as measured = OK

I don't know what to do now

thank you

[ruisam]

On Odis did you do the high voltage system activation function?

See well in the gateway any function to restore the system and in 08c
By chance you didn't open the high voltage cooling circuit, if you did, you'll have to bleed through the odis.

[Dau]

Dear members

I have a problem that I can't solve, Vw Golf GTE Hybrid

in this case the gearbox was replaced, with the same mechtronic used (all gearbox replaced)
plugs have been disconnected. everything was properly installed and checked.

diagnosis done via Odis tool
also run via odis
commissioning High Voltage system (no success)

DTC:
8C= Battery Energy Control Module
P0A0A = J840- Pilot Line

08= Electronics Air conditioning/heating
U0460= J842- Electric air conditioning compressor.

Pilot Line plug = OK
Fuse = OK
wiring via diagram as far as measured = OK

I don't know what to do now

thank you

ODIS says no communication with the climate compressor. You have to check the 2 connectors on the compressor, and the HV connector on the HV charging unit (AX4). And check the LIN wire in the compressor's connector. While you have got a fault in the HV system you can't activate it.