P24B2 on the 2020 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.
| 18-010-23 | 2023-02-13. Service bulletin. 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. (RSU VINs Only). NOTE: This software update will help prevent P24D1-00 from setting. All unsold vehicles that are part of the RSU must be updated. If P24D1-00 sets on a sold vehicle, this software update will not correct this DTC. Refer to all applicable published service bulletins for detailed repair procedures and labor times regarding this DTC. P2002-00 - Diesel Particulate Filter (DPF) Efficiency based on Particulate Matter (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. **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. U02A3-00 - Loss of Communication with PM Sensor Module. P24B2-00 - Particulate Matter Sensor Circuit Intermittent.** Customers may also experience the following: Vehicles equipped with a six-speed C635 Dual Disc Clutch Transmission (DDCT) |
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| 1804121 | 2022-09-26. Service bulletin. 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 one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0563-00 - System Voltage High (M6 Vehicles only). P21CC-00 - Reductant Control Module Supply Voltage High (M6 Vehicles only). P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P00C0-00 - Turbocharger-Supercharger Bypass Valve 2 Control Circuit. Additional customer concerns:Engine Stop/Start (ESS) not functioning properly. Four wheel drive not functioning. Additional enhancement included in this software:Improvement for the auxiliary coolant pump to help prevent stuck injection valve. Calibration update for proper engine operation. |
| 25002211 | 2022-09-26. Service bulletin. 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. |
| 2500221 | 2022-09-26. Service bulletin. 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). |
| 18-041-21 | 2021-05-24. Service bulletin. 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 one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0563-00 - System Voltage High (M6 Vehicles only). P21CC-00 - Reductant Control Module Supply Voltage High (M6 Vehicles only). P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P00C0-00 - Turbocharger-Supercharger Bypass Valve 2 Control Circuit. Additional customer concerns:Engine Stop/Start (ESS) not functioning properly. Four wheel drive not functioning. Additional enhancement included in this software:Improvement for the auxiliary coolant pump to help prevent stuck injection valve. Calibration update for proper engine operation. |
| 25-002-21 REV. A | 2021-05-24. Service bulletin. 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. |
| 25-002-21 | 2021-05-24. Service bulletin. 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). |
| 18-043-20 | 2020-06-22. Service bulletin. 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 Codes (DTCs) has been set:P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P00C0-00 - Turbocharger-Supercharger Bypass Valve 2 Control Circuit. Additional enhancement included in this software:Improvement for the auxiliary coolant pump to help prevent stuck injection valve. Calibration update for proper engine operation. |
8 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.