# P1CC9 on the 2017 Chrysler Pacifica

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.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P1CC9

- [10223826](https://open.wenmarpro.com/bulletins/10223826), 2022-10-17: Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes \(DTCs\) stored in the TCM memory: P1CC9 \- Unable To Engage Gear. P1DDE\-00 \- Ignition Run/Start Input 1\-2 Correlation.The following improvement is also included in this update: Shifter interlocking improvement in an event of brake signal loss to the TCM.
- [10220955](https://open.wenmarpro.com/bulletins/10220955), 2022-09-26: Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following DTCs:P0732\-00 \- Gear 2 Shift Incorrect Ratio\(Software Has Been Updated to Better Address This Concern\). P0887\-00 \- TCM Power Control Circuit High. P1B13\-00 \- Park By Wire Unintended Out Of Park Position. P1DCD\-00 \- TCM Monitoring Processor Performance Multiple Clutches Locked Up. U0103\-00 \- Lost Communication With Electric Gear Shift Module. P1CC9 \- Unable To Engage Gear. P1DDE\-00 \- Ignition Run/Start Input 1\-2 Correlation. The customers may also experience the following:Harsh upshifts, 1\-2, 2\-3, 3\-4, or 4\-5. Harsh coasting downshift, while braking when the vehicle is near a complete stop. The following improvement is also included in this update:Shifter interlocking improvement in an event of brake signal loss to the TCM.
- [10219894](https://open.wenmarpro.com/bulletins/10219894), 2022-09-15: Flash: Transmission Shift and Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes \(DTCs\) stored in the TCM memory:P1B13\-00 \- Park by Wire Unintended Out Of Park Position. P1DCD\-00 \- TCM Monitoring Processor Performance Multiple Clutches Locked Up. U0103\-00 \- Lost Communication With Electric Gear Shift Module. P1CC9 \- Unable To Engage Gear. P1DDE\-00 \- Ignition Run/Start Input 1\-2 Correlation. The following improvement is also included in this update:Shifter interlocking improvement in an event of brake signal loss to the TCM.
- [10217609](https://open.wenmarpro.com/bulletins/10217609), 2022-08-08: Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code \(DTC\) stored in the TCM memory: · P1CC9 \- Unable To Engage Gear.
- [10190702](https://open.wenmarpro.com/bulletins/10190702), 2021-04-26: Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following DTCs:P0732\-00 \- Gear 2 Shift Incorrect Ratio\(Software Has Been Updated to Better Address This Concern\). P0887\-00 \- TCM Power Control Circuit High. P1B13\-00 \- Park By Wire Unintended Out Of Park Position. P1DCD\-00 \- TCM Monitoring Processor Performance Multiple Clutches Locked Up. U0103\-00 \- Lost Communication With Electric Gear Shift Module. P1CC9 \- Unable To Engage Gear. P1DDE\-00 \- Ignition Run/Start Input 1\-2 Correlation. The customers may also experience the following:Harsh upshifts, 1\-2, 2\-3, 3\-4, or 4\-5. Harsh coasting downshift, while braking when the vehicle is near a complete stop. The following improvement is also included in this update:Shifter interlocking improvement in an event of brake signal loss to the TCM.
- [10140119](https://open.wenmarpro.com/bulletins/10140119), 2018-06-11: Flash: Transmission Shift And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code \(DTC\) stored in the TCM memory: · P1CC9 \- Unable To Engage Gear.
- [10138918](https://open.wenmarpro.com/bulletins/10138918), 2018-06-04: Flash: Transmission Shift and Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module \(TCM\) with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes \(DTCs\) stored in the TCM memory:P1B13\-00 \- Park by Wire Unintended Out Of Park Position. P1DCD\-00 \- TCM Monitoring Processor Performance Multiple Clutches Locked Up. U0103\-00 \- Lost Communication With Electric Gear Shift Module. P1CC9 \- Unable To Engage Gear. P1DDE\-00 \- Ignition Run/Start Input 1\-2 Correlation. The following improvement is also included in this update:Shifter interlocking improvement in an event of brake signal loss to the TCM.
- [10080072](https://open.wenmarpro.com/bulletins/10080072), 2016-09-14: "FLASH: TRANSMISSION SHIFT AND DRIVABILITY ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE TRANSMISSION CONTROL MODULE \(TCM\) WITH THE LATEST AVAILABLE SOFTWARE. SOME CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP \(MIL\) ILLUMINATION. UPON FURTHER INVESTIGATION, A TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODE \(DTC\) STORED IN THE TCM MEMORY: · P1CC9 \- UNABLE TO ENGAGE GEAR."