P2099 on the 2010 Dodge Ram
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.
| 18-066-16 | 2022-08-08. Service bulletin. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs): MIL Illumination · P2096 - Downstream Fuel Trim System 1 Lean (5.7L Engines). · P2097 - Downstream Fuel Trim System 1 Rich (5.7L Engines). · P2098 - Downstream Fuel Trim System 2 Lean (5.7L Engines). · P2099 - Downstream Fuel Trim System 2 Rich (5.7L Engines). Drivability Improvements: · **MIL Lamp without DTC Active - Permanent Fault Code Issue (fix permanent fault code retention). · ASD Relay (to improve fuel pump relay initialization at key on).** · Fuel pump relay operation at key on. · Engine seems to lack power at high engine RPMs (5.7L and 4.7L Engines). · Shudder or shake condition on wide open throttle stab during downshift event (5.7L and 4.7L Engines). · EVAP Diagnostic Enhancements. This diagnostic routine will be disabled while the vehicle is in decel fuel shut off mode.(3.7L/4.7L Engines only). · Audible knock sound on WOT launches (DJ/DD 5.7L Engines only). Transmission Improvements: · High engine RPMs needed before vehicle will upshift from 3rd to 4th. (5.7L and 4.7L Engines). · Harsh 1st to 2nd gear upshift (5.7L and 4.7L Engines). · Unexpected or busy downshift while coasting between 72-77 kmh (45-48 mph) (DS 5.7L Engines only). |
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| 18-103-15 | 2019-05-20. Service bulletin. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. Some customers may describe one or more of the following: MIL Illumination Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: ? P2096 - Downstream Fuel Trim System 1 Lean (5.7L Engines). ? P2097 - Downstream Fuel Trim System 1 Rich (5.7L Engines). ? P2098 - Downstream Fuel Trim System 2 Lean (5.7L Engines). ? P2099 - Downstream Fuel Trim System 2 Rich (5.7L Engines). Drivability Improvements: ? Fuel pump relay operation at key on. ? Engine seems to lacks power at high engine RPMs (5.7L and 4.7L Engines). ? Shudder or shake condition on wide open throttle stab during downshift event (5.7L and 4.7L Engines). ? EVAP Diagnostic Enhancements. This diagnostic routine will be disabled while the vehicle is in decel fuel shut off mode.(3.7L/4.7L Engines only). ? Audible knock sound on WOT launches (DJ/DD 5.7L Engines only). Transmission Improvements: ? High engine RPMs needed before vehicle will upshift from 3rd to 4th. (5.7L and 4.7L Engines). ? Harsh 1st to 2nd gear upshift (5.7L and 4.7L Engines). ? Unexpected or busy downshift while coasting between 45-48 mph (72-77 kmh) (DS 5.7L Engines only). |
| 18-066-16 | 2018-06-11. Service bulletin. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs): MIL Illumination · P2096 - Downstream Fuel Trim System 1 Lean (5.7L Engines). · P2097 - Downstream Fuel Trim System 1 Rich (5.7L Engines). · P2098 - Downstream Fuel Trim System 2 Lean (5.7L Engines). · P2099 - Downstream Fuel Trim System 2 Rich (5.7L Engines). Drivability Improvements: · **MIL Lamp without DTC Active - Permanent Fault Code Issue (fix permanent fault code retention). · ASD Relay (to improve fuel pump relay initialization at key on).** · Fuel pump relay operation at key on. · Engine seems to lack power at high engine RPMs (5.7L and 4.7L Engines). · Shudder or shake condition on wide open throttle stab during downshift event (5.7L and 4.7L Engines). · EVAP Diagnostic Enhancements. This diagnostic routine will be disabled while the vehicle is in decel fuel shut off mode.(3.7L/4.7L Engines only). · Audible knock sound on WOT launches (DJ/DD 5.7L Engines only). Transmission Improvements: · High engine RPMs needed before vehicle will upshift from 3rd to 4th. (5.7L and 4.7L Engines). · Harsh 1st to 2nd gear upshift (5.7L and 4.7L Engines). · Unexpected or busy downshift while coasting between 72-77 kmh (45-48 mph) (DS 5.7L Engines only). |
| 18-066-16 REV. A | 2017-11-03. Service bulletin. Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. Some customers may describe one or more of the following: MIL Illumination Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · P2096 - Downstream Fuel Trim System 1 Lean (5.7L Engines). · P2097 - Downstream Fuel Trim System 1 Rich (5.7L Engines). · P2098 - Downstream Fuel Trim System 2 Lean (5.7L Engines). · P2099 - Downstream Fuel Trim System 2 Rich (5.7L Engines). Drivability Improvements: · MIL Lamp without DTC Active - Permanent Fault Code Issue (fix permanent fault code retention). · ASD Relay (to improve fuel pump relay initialization at key on). · Fuel pump relay operation at key on. · Engine seems to lacks power at high engine RPMs (5.7L and 4.7L Engines). · Shudder or shake condition on wide open throttle stab during downshift event (5.7L and 4.7L Engines). · EVAP Diagnostic Enhancements. This diagnostic routine will be disabled while the vehicle is in decel fuel shut off mode.(3.7L/4.7L Engines only). · Audible knock sound on WOT launches (DJ/DD 5.7L Engines only). Transmission Improvements: · High engine RPMs needed before vehicle will upshift from 3rd to 4th. (5.7L and 4.7L Engines). · Harsh 1st to 2nd gear upshift (5.7L and 4.7L Engines). · Unexpected or busy downshift while coasting between 45-48 mph (72-77 kmh) (DS 5.7L Engines only). |
| 18-066-16 | 2016-09-14. Service bulletin. "FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH UPDATED SOFTWARE. ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS): MIL ILLUMINATION · P2096 - DOWNSTREAM FUEL TRIM SYSTEM 1 LEAN (5.7L ENGINES). · P2097 - DOWNSTREAM FUEL TRIM SYSTEM 1 RICH (5.7L ENGINES). · P2098 - DOWNSTREAM FUEL TRIM SYSTEM 2 LEAN (5.7L ENGINES). · P2099 - DOWNSTREAM FUEL TRIM SYSTEM 2 RICH (5.7L ENGINES). DRIVABILITY IMPROVEMENTS: · **MIL LAMP WITHOUT DTC ACTIVE - PERMANENT FAULT CODE ISSUE (FIX PERMANENT FAULT CODE RETENTION). · ASD RELAY (TO IMPROVE FUEL PUMP RELAY INITIALIZATION AT KEY ON).** · FUEL PUMP RELAY OPERATION AT KEY ON. · ENGINE SEEMS TO LACK POWER AT HIGH ENGINE RPMS (5.7L AND 4.7L ENGINES). · SHUDDER OR SHAKE CONDITION ON WIDE OPEN THROTTLE STAB DURING DOWNSHIFT EVENT (5.7L AND 4.7L ENGINES). · EVAP DIAGNOSTIC ENHANCEMENTS. THIS DIAGNOSTIC ROUTINE WILL BE DISABLED WHILE THE VEHICLE IS IN DECEL FUEL SHUT OFF MODE.(3.7L/4.7L ENGINES ONLY). · AUDIBLE KNOCK SOUND ON WOT LAUNCHES (DJ/DD 5.7L ENGINES ONLY). TRANSMISSION IMPROVEMENTS: · HIGH ENGINE RPMS NEEDED BEFORE VEHICLE WILL UPSHIFT FROM 3RD TO 4TH. (5.7L AND 4.7L ENGINES). · HARSH 1ST TO 2ND GEAR UPSHIFT (5.7L AND 4.7L ENGINES). · UNEXPECTED OR BUSY DOWNSHIFT WHILE COASTING BETWEEN 72-77 KMH (45-48 MPH) (DS 5.7L ENGINES ONLY)." |
5 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.