Radiator Fan - foult P1945

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9 November, 20259 Nov

Foult P1945 appears during DPF burnout process.

Radiator Fan (5Q0959455BJ ) was replaced on a new one.

Radiator Fan tests are OK results by VCDS.

Relay (4H0951253A) was replaced on a new one.

The fan harness has been checked and shows no signs of damage.

i don't know about correct resistance for harness (should be check too).

ECU's still shows foult P1945 (during DPF burnout process).

ECU software is 9500 version should be higher?

Does anyone have an idea where to look for the cause of the problem?

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