Code P2181 Cooling system performance Implausible signal
Hello,
I have driving my Cayenne in a while and today when I took it out, the engine light turn on. I used my durametric to scan for the code and it come up with "2181 -Cooling system performance - Implausible signal" I checked the coolant and its not empty but nearly full. Should I check somewhere else for the issue? Thanks, |
mine is throwing the same code. I reset it every two days or so and its back. Did u get any resolution on it?
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Normally means thermostat failure. The ECU expects the engine to reach a certain temperature after a certain time, if it doesn't it may throw this code. Have a look at your temp gauge and check if the engine is taking longer to reach normal operating temp.
I have just changed mine recently. |
Thanks very much for the reply. Took it in this morning and it is the thermostat! Will be replaced under my extended warranty along with lower control arms. Thanks!
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