Porsche Cooling system malfunction. Visit workshop
Cooling system malfunction. Visit workshop
Quick answer
For certain 2022 Porsche Taycan vehicles in the US, this alert can indicate sufficient coolant loss caused by leakage at the high-voltage-system coolant distributor. Porsche instructs a workshop check and replacement of the distributor if necessary.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does Cooling system malfunction. Visit workshop mean?
For certain 2022 Porsche Taycan vehicles in the US, this alert can indicate sufficient coolant loss caused by leakage at the high-voltage-system coolant distributor. Porsche instructs a workshop check and replacement of the distributor if necessary.
2. Technical explanation
NHTSA Manufacturer Communication 10231345 (Porsche No. 218-22) states that temporary contamination of a laser welder could cause the water jacket on the high-voltage-system coolant distributor to be welded incorrectly. This may cause leakage from the coolant distributor. When sufficient coolant loss is detected, the instrument cluster displays: “Cooling system malfunction. Visit workshop.”
3. What system is affected?
High-voltage-system coolant distributor and its water jacket.
4. How serious is this code?
Unknown in the supplied diagnostic record. The official communication directs a workshop inspection.
5. Symptoms you may notice
- Instrument-cluster message: “Cooling system malfunction. Visit workshop.”
- Sufficient coolant loss may be detected.
6. Possible causes
- For affected vehicles covered by Porsche No. 218-22, leakage at the high-voltage-system coolant distributor may result from an incorrectly welded water jacket caused by temporary laser-welder contamination.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange a workshop inspection.
- Do not attempt repairs to the high-voltage-system coolant distributor yourself.
10. Step-by-step troubleshooting
- Have a qualified workshop check the high-voltage-system coolant distributor for the condition described in Porsche No. 218-22.
11. When to contact service
Contact a Porsche workshop for diagnosis and inspection, particularly if this alert is displayed.
12. What the service center may check
- Check the coolant distributor for the high-voltage system.
- Check for leakage and coolant-loss condition as applicable under Porsche No. 218-22.
13. Possible repair or resolution
- Replace the high-voltage-system coolant distributor if the workshop inspection finds replacement is necessary.
14. Affected vehicles
- Porsche Taycan · 2022 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 10231345, Porsche No. 218-22, published January 13, 2023. It describes a campaign involving inspection of the high-voltage-system coolant distributor and replacement if necessary for affected vehicles.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication 10231345, Porsche No. 218-22: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10231345. Verified applicability supplied: 2022 Porsche Taycan, US.
- NHTSA: NHTSA Manufacturer Communication 10231345: No. 218-22 · official_tsb
19. Frequently asked questions
What does “Cooling system malfunction. Visit workshop” mean on an affected 2022 Porsche Taycan?
Porsche communication No. 218-22 states that, when sufficient coolant loss is detected, this message can be displayed because of leakage at the high-voltage-system coolant distributor.
What repair may be needed?
Porsche instructs the workshop to check the high-voltage-system coolant distributor and replace it if necessary.
Can I drive or charge the vehicle?
Not yet established by verified evidence.