# P24B2 on the 2019 Jeep Compass

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 P24B2

- [10231780](https://open.wenmarpro.com/bulletins/10231780), 2023-02-13: Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTC\)s: \*\*P24D1\-00 \- Particulate Matter Sensor Regeneration Incomplete. P24AE\-00 \- Particulate Matter Sensor Circuit. P24B0\-00 \- Particulate Matter Sensor Circuit Low. P24B1\-00 \- Particulate Matter Sensor Circuit High. P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent. P24D0\-00 \- Particulate Matter Sensor Supply Voltage Circuit Low. P24D3\-00 \- Particulate Matter Sensor Supply \- Circuit Voltage Above Threshold. P24AF\-00 \- Particulate Matter Sensor Circuit Performance. P24B5\-00 \- Particulate Matter Sensor Heater Control Circuit Low. P24B6\-00 \- Particulate Matter Sensor Heater Control Circuit High. P24B7\-00 \- Particulate Matter Sensor Heater Resistance. P24DA\-00 \- Particulate Matter Sensor Exhaust Sample Error Bank 1. U05A4\-00 \- Particulate Matter Sensor Received Invalid Data From ECM \- PCM. P2002\-00 \- DPF Efficiency Based On PM Sensor Monitoring. NOTE: If DTC P2002 is present it will require DPF and PM sensor replacement. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding Diesel Particulate Matter Sensor \(DPM\) replacement. U02A3\-00 \- Loss of Communication with PM Sensor Module.\*\* P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent \(EBS Sales Code only\). P20F6\-00 \- Reductant Injection Valve Stuck Open Bank 1 Unit 1 \(EBS Sales Code only\). P208E\-00 \- Reductant Injector Stuck Closed \- Bank 1 Unit 1 \(EBS Sales Code only\). Customers may also experience one or more of the following: The Engine Stop/Start \(ESS\) system remains in the last used state and does not default back to ON for each key cycle as designed \(Vehicles on the RSU VIN list only\). This bulletin involves reprogramming the PCM with the latest available software.
- [10221221](https://open.wenmarpro.com/bulletins/10221221), 2022-09-26: Flash: Dosing Control Unit \(DCU\) Updates This bulletin involves reprogramming the Dosing Control Unit \(DCU\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0563\-00 \- System Voltage High\(2020 M6 Vehicles only\). P21CC\-00 \- Reductant Control Module Supply Voltage High\(2020 M6 Vehicles only\). P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent. P20F6\-00 \- Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E\-00 \- Reductant Injector Stuck Closed \- Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module \(PCM\) and BCM causing a false illumination of the Malfunction Indicator Lamp \(MIL\). Additional customer concerns:Engine Stop/Start \(ESS\) not functioning properly. Four wheel drive not functioning.
- [10221204](https://open.wenmarpro.com/bulletins/10221204), 2022-09-26: Flash: Dosing Control Unit \(DCU\) Updates This bulletin involves reprogramming the Dosing Control Unit \(DCU\) with the latestavailable software. The customer may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes \(DTCs\) or symptom/condition.P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent. P20F6\-00 \- Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E\-00 \- Reductant Injector Stuck Closed \- Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module \(PCM\) and BCM causing a false illumination of the Malfunction IndicatorLamp \(MIL\)\(2019 MP Only\).
- [10194074](https://open.wenmarpro.com/bulletins/10194074), 2021-05-24: Flash: Dosing Control Unit \(DCU\) Updates This bulletin involves reprogramming the Dosing Control Unit \(DCU\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0563\-00 \- System Voltage High\(2020 M6 Vehicles only\). P21CC\-00 \- Reductant Control Module Supply Voltage High\(2020 M6 Vehicles only\). P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent. P20F6\-00 \- Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E\-00 \- Reductant Injector Stuck Closed \- Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module \(PCM\) and BCM causing a false illumination of the Malfunction Indicator Lamp \(MIL\). Additional customer concerns:Engine Stop/Start \(ESS\) not functioning properly. Four wheel drive not functioning.
- [10194057](https://open.wenmarpro.com/bulletins/10194057), 2021-05-24: Flash: Dosing Control Unit \(DCU\) Updates This bulletin involves reprogramming the Dosing Control Unit \(DCU\) with the latestavailable software. The customer may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes \(DTCs\) or symptom/condition.P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent. P20F6\-00 \- Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E\-00 \- Reductant Injector Stuck Closed \- Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module \(PCM\) and BCM causing a false illumination of the Malfunction IndicatorLamp \(MIL\)\(2019 MP Only\).
- [10175717](https://open.wenmarpro.com/bulletins/10175717), 2020-05-26: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following DTCs or symptom/condition.P24B2\-00 \- Particulate Matter Sensor Circuit Intermittent\(EBS Sales Code only\). P20F6\-00 \- Reductant Injection Valve Stuck Open Bank 1 Unit 1\(EBS Sales Code only\). P208E\-00 \- Reductant Injector Stuck Closed \- Bank 1 Unit1\(EBS Sales Code only\). The Engine Stop/Start \(ESS\) system remains in the last used state and does not default back to ON for each key cycle as designed\(Vehicles on the RRT VIN list only\).