Checking the oil cooler and hoses
The cause of the diagnostic trouble code (DTC) was insufficient oil cooling in the transmission. Check the oil cooler and hoses for signs of damage and blockage. Then replace the oil.
Other information:
- To replace the oil:
- For AW50-42 1999-, see Transmission fluid, replacing
- For 4T65 1999-, see Transmission oil / oil filter, replacing .
- For AW55-50 and AW50AWD (AMB) 2000-, see Transmission fluid, replacing .
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