Heating problems on GT Sport

[Scud]

My heating on the car takes forever to get warm. Even before this cold weather it took about 15-20 mins to get slightly warm. Any ideas what it is and what can be changed to make it better?

 

[vwengineer]

Engine thermostat

 

[Scud]

Engine thermostat

Easy enough to fix yourself? I.e. get access too as well. The dial on the dash warms up normal but the heating in the car takes forever

 

[GTI's]

Does this car not have an electrical auxiliary air heater seeing its a TDI. May want to Vcds this vehicle to confirm and pull DTC if any.

 

[Scud]

Does this car not have an electrical auxiliary air heater seeing its a TDI. May want to Vcds this vehicle to confirm and pull DTC if any.

I don't have any codes showing for this problem.

 

[GTI's]

I don't have any codes showing for this problem.

What did you scan with a generic scan tool?

 

[Scud]

What did you scan with a generic scan tool?

Yeah just my usual, torque obd checker. Think I need the proper tool on it to show it?

 

[GTI's]

I believe you will need something else to check that.

 

[vwengineer]

Yes, a generic ODB scanner will only show engine codes, if it's the auxiliary heater the fault is stored in the HVAC control module, you need VCDS/ODB11 to read that. So you mean your engine gets at temperature but it still blows cold air? Did you check the coolant level (if the coolant is low, the heater core is generally the first to get empty).

 

[Scud]

Yes, a generic ODB scanner will only show engine codes, if it's the auxiliary heater the fault is stored in the HVAC control module, you need VCDS/ODB11 to read that. So you mean your engine gets at temperature but it still blows cold air? Did you check the coolant level (if the coolant is low, the heater core is generally the first to get empty).

I have a bluetooth obd11 reader that scans to the app on my car, whether that should work or not I'm not too sure.

Yeah that's what I mean, I will check the coolant now. I haven't checked anything as I wasnt sure what to do. Still learning stuff on my car. Never had this problem before.

 

[Scud]

Yes, a generic ODB scanner will only show engine codes, if it's the auxiliary heater the fault is stored in the HVAC control module, you need VCDS/ODB11 to read that. So you mean your engine gets at temperature but it still blows cold air? Did you check the coolant level (if the coolant is low, the heater core is generally the first to get empty).

The coolant level was on minimum so topped it up. Hopefully that will sort it, will try it tomorrow.

Thanks

 

[vwengineer]

I meant ODB Eleven, it's different than ODB-II. If there was still coolant in the tank it's probably not the problem unfortunately.

 

[GTI's]

If you had no coolant in tank or low coolant you would have gotten a warning for that in the cluster.

 

[vwengineer]

The GTI has the level sensor but I'm pretty sure that not all engines get it. At least some newer/small TSI don't have it

 

[GTI's]

MKV TDI have a G32 sensor. VW has been using coolant level sensor for years.