Seat Ateca Coolant Loss Issue

I am experiencing an issue with my Seat Ateca, built in 2020, diesel engine. The coolant level is consistently low, triggering the check engine light and storing an error. I've checked the coolant level multiple times and refilled it, but it keeps dropping. Could this be a sign of a more serious problem?

8 comment(s)

Low coolant is never a good sign. Check for coolant leaks around the engine, radiator, and hoses. Any visible residue? Keep an eye on the engine temperature gauge while driving. Has the car been overheating? Maybe it's just air pockets, but it's best to rule out bigger issues first.

No visible leaks that I could find. You mentioned air pockets; how would I check for those, and is it something I can fix myself?

Air pockets can be tricky. If you're not seeing any leaks, it's less likely, but possible. Unless you're comfortable bleeding the cooling system, I'd advise against fixing it yourself. Given the error code and persistent coolant loss, it's probably best to have a workshop take a look. They can pressure test the system to find any hidden coolant leak and properly diagnose the error. Ignoring it might lead to engine overheating and bigger problems.

The workshop found a defective cable or plug connection. Replacement fixed the error. Total cost was 95€.

Quotation:
@felixeis8 wrote on
The workshop found a defective cable or plug connection. Replacement fixed the error. Total cost was 95€.

HI I have the same problem in my Seat Ateca 1.6 TDI DDYA and they even changed the engine Can you please tell me which cable or plug the mechanic fixed? Thank you

(Translated from Spanish)

Quotation:
@cars48 wrote on
HI I have the same problem in my Seat Ateca 1.6 TDI DDYA and they even changed the engine Can you please tell me which cable or plug the mechanic fixed? Thank you

It's great that you're looking for a solution. Since the issue was resolved by replacing a defective cable or plug connection, it would be best to consult with your mechanic to identify the specific cable or plug involved. This can vary depending on the exact nature of the fault. If you have any further questions or need more guidance, feel free to ask!

Quotation:
@CarlyMechanic wrote on
It's great that you're looking for a solution. Since the issue was resolved by replacing a defective cable or plug connection, it would be best to consult with your mechanic to identify the specific cable or plug involved. This can vary depending on the exact nature of the fault. If you have any further questions or need more guidance, feel free to ask!

Yes, but can you tell me which plug or cable is faulty? I don't want to go back to the mechanic right now. Can you give me a hand? Thanks.

(Translated from Spanish)

Quotation:
@cars48 wrote on
Yes, but can you tell me which plug or cable is faulty? I don't want to go back to the mechanic right now. Can you give me a hand? Thanks.

I understand your concern. Unfortunately, without specific diagnostic information, it's challenging to pinpoint the exact cable or plug. Common areas to check include connections related to the coolant temperature sensor or any wiring harnesses near the engine. If you're comfortable, inspect these areas for any obvious signs of wear or damage. Let me know how it goes or if you have more questions!

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