# P1B13 on the 2015 Dodge Durango

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 P1B13

- [11030138](https://open.wenmarpro.com/bulletins/11030138), 2026-03-18: The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75\-PHEV, 8HP75\-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
- [10217400](https://open.wenmarpro.com/bulletins/10217400), 2022-08-08: Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module \(TCM\) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp \(MIL\) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code \(DTC\) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission \(Sales Code DFL\). These improvements are listed per engine application. 3.0L Gas Engine \(Sales Code EHD\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2\-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine \(Sales Code ERB\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved 4\-3 and 3\-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi\-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.
- [10216162](https://open.wenmarpro.com/bulletins/10216162), 2022-07-25: Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module \(TCM\) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp \(MIL\) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code \(DTC\) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission \(Sales Code DFL\). These improvements are listed per engine application. 3.0L Gas Engine \(Sales Code EHD\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2\-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine \(Sales Code ERB\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved 4\-3 and 3\-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi\-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.
- [10151743](https://open.wenmarpro.com/bulletins/10151743), 2018-12-17: Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module \(TCM\) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp \(MIL\) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code \(DTC\) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission \(Sales Code DFL\). These improvements are listed per engine application. 3.0L Gas Engine \(Sales Code EHD\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2\-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine \(Sales Code ERB\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved 4\-3 and 3\-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi\-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.
- [10148972](https://open.wenmarpro.com/bulletins/10148972), 2018-11-26: Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module \(TCM\) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp \(MIL\) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code \(DTC\) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission \(Sales Code DFL\). These improvements are listed per engine application. 3.0L Gas Engine \(Sales Code EHD\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2\-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine \(Sales Code ERB\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio. ? Improved 4\-3 and 3\-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi\-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.
- [10148956](https://open.wenmarpro.com/bulletins/10148956), 2018-11-26: Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module \(TCM\) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp \(MIL\) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code \(DTC\) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission \(Sales Code DFL\). These improvements are listed per engine application. 3.0L Gas Engine \(Sales Code EHD\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2\-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine \(Sales Code ERB\) ? P1DCD \- TCM monitoring processor performance multiple clutches locked up. ? P1B13 \- Park\-By\-Wire unintended out of park position. ? P0734 \- Gear 4 Shift Incorrect Ratio ? Improved 4\-3 and 3\-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi\-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.