Service bulletins for the 2020 Jeep Compass
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
408 on file from NHTSA, as of 2026-10-19.
About P20F6 on the 2020 Jeep Compass: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P20F6 are shown. Show all
| 1804121 | 2022-09-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; POWER TRAIN. 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. |
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| 25002211 | 2022-09-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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. |
| 2500321 | 2022-09-26. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EXTERIOR LIGHTING. Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) 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 Diagnostic Trouble Codes (DTCs) or symptom/condition.P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. |
| 2500221 | 2022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. 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. FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; WHEELS; BACK OVER PREVENTION. 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. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; BACK OVER PREVENTION; WHEELS; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 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. |
| 25-003-21 | 2021-05-24. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) 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 Diagnostic Trouble Codes (DTCs) or symptom/condition.P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. |
| 25-002-21 | 2021-05-24. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. 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. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.