# P0606 on the 2020 Jeep Grand Cherokee

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0606

- [10230333](https://open.wenmarpro.com/bulletins/10230333), 2023-01-17: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set: P0606 \- Internal Control Processor. Customers my also comment on the following: Vehicle in Limp Mode with the Electronic Throttle Control \(ETC\) light flashing.
- [10230326](https://open.wenmarpro.com/bulletins/10230326), 2023-01-17: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set: P0606 \- Internal Control Processor. Customers my also comment on the following:Vehicle in Limp Mode with the Electronic Throttle Control \(ETC\) light flashing.
- [10223797](https://open.wenmarpro.com/bulletins/10223797), 2022-10-17: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set: P0606 \- Internal Control Processor. Customers my also comment on the following: Vehicle in Limp Mode with the Electronic Throttle Control \(ETC\) light flashing.
- [10223790](https://open.wenmarpro.com/bulletins/10223790), 2022-10-17: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set: P0606 \- Internal Control Processor. Customers my also comment on the following:Vehicle in Limp Mode with the Electronic Throttle Control \(ETC\) light flashing.