P205D Diagnostic Trouble Code Discussion for March 2021
reductant temperature sensor high
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| Help Request | Posted | |
| 2015 Chevrolet Express 3500 LS 6.6L Excessive Emissions, MIL Lamp on, Derated VIN: 1GB3G2CL7F P205D: reductant temperature sensor high. came in with a service after treatment message and an MIL on. my tech said it needed the upstream nox and a def tank. replaced both and then the downstream nox and codes keep coming back starting with u029d and then after a few key starts the rest. We have... |
March 30, 2021 |
