# Service bulletin 08\-137\-26 REV. B

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.

- Type: Service bulletin
- NHTSA id: 11031320
- Published by NHTSA: 2026\-04\-15
- Manufacturer's number: 08\-137\-26 REV. B
- Manufacturer's date: 2026\-04\-08
- NHTSA component: ENGINE

## NHTSA's summary

Flash: Ignition System Control Module \(ISCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ? P2096\-00 \- Downstream

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031320-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031320-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Trouble codes named

P2096

## Vehicles listed

- 2026 DODGE CHARGER

## Other bulletins for the same vehicles and component

- [9100861 Rev 3](/bulletins/11035994.md), 2026-08-06, Service bulletin: ENGINE. PUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1\) Key ON/OFF and let the after\-run pump run for at least 20 minutes before moving on to step \#2. 2\) Inspect the pump connector area for presence of water. 3\) Inspect the pump connector for corrosion. 4\) Inspect the pump for coolant contamination as this can cause the pump to stall. 5\) Inspect battery terminals for damage to rule out a battery drainage issue. 6\) Ensure the PCM is up\-to\-date with the latest available flash. If correct repair is not performed then the claim or condition will be recovered by Warranty Operations.
- [9100861 Rev 1](/bulletins/11035194.md), 2026-07-23, Service bulletin: ENGINE. PUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1\) Key ON/OFF and let the after\-run pump run for at least 20 minutes before moving on to step \#2. 2\) Inspect the pump connector area for presence of water. 3\) Inspect the pump connector for corrosion. 4\) Inspect the pump for coolant contamination as this can cause the pump to stall. 5\) Inspect battery terminals for damage to rule out a battery drainage issue. 6\) Ensure the PCM is up\-to\-date with the latest available flash.
- [9100861](/bulletins/11035070.md), 2026-07-18, Service bulletin: ENGINE; ELECTRICAL SYSTEM. PUMP, Auxiliary Coolant Before replacing the Auxiliary Coolant Pump, please perform the following steps: 1\) Key ON/OFF and let the after\-run pump run for at least 20 minutes before moving on to step \#2. 2\) Inspect the pump connector area for presence of water. 3\) Inspect the pump connector for corrosion. 4\) Inspect the pump for coolant contamination as this can cause the pump to stall. 5\) Ensure the PCM is up\-to\-date with the latest available flash. 6\) Inspect battery terminals for damage to rule out a battery drainage issue.
- [9100832](/bulletins/11033959.md), 2026-06-18, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Before replacing the starter, please follow the published diagnostics in the Service Information at 08 \- Electrical / 8F \- Engine Systems / Starting / Diagnosis and Testing / STANDARD STARTING SYSTEM. Updates to this procedure have been recently made and should be followed.
- [18\-022\-26 REV. E](/bulletins/11032977.md), 2026-05-28, Service bulletin: POWER TRAIN; ENGINE. Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P2096\-00 \- Downstream Fuel Trim System 1 Lean. ● P2097\-00 \- Downstream Fuel Trim System 1 Rich. ● P2098\-00 \- Downstream Fuel Trim System 2 Lean. ● P2099\-00 \- Downstream Fuel Trim System 2 Rich. ● P068A\-00 \- ECM Power De\-Energized Performance\-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. ● P121B\-00 \- Active Exhaust Valve 2 Performance. ● P1217\-00 \- Active Exhaust Valve 1 Performance. Customers may also comment on the following: ● Vehicle exhibits a no crank / no start condition. ● Exhaust pitch does not track with acceleration. This bulletin involves inspecting and possibly reprogramming the PCM, TCM and ISCM with the latest available software.
- [08\-137\-26 REV. D](/bulletins/11032975.md), 2026-05-28, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN; ENGINE. Flash: Ignition System Control Module \(ISCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P2096\-00 \- Downstream Fuel Trim System 1 Lean. ● P2097\-00 \- Downstream Fuel Trim System 1 Rich. ● P2098\-00 \- Downstream Fuel Trim System 2 Lean. ● P2099\-00 \- Downstream Fuel Trim System 2 Rich. ● P068A\-00 \- ECM Power De\-Energized Performance\-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. Customers may also comment on the following: ● Vehicle exhibits a no crank / no start condition. This bulletin involves inspecting and possibly reprogramming the ISCM, TCM and PCM with the latest available software.
- [112037](/bulletins/11032859.md), 2026-05-20, Service bulletin: ENGINE. MODULE \- IGNITION
- [9100790](/bulletins/11030427.md), 2026-04-01, Service bulletin: ENGINE. Before replacing the water pump on 3.0L SO/HO, please follow the updated WATER PUMP INSPECTION diagnostic procedure to confirm the leak persists "09 \- Engine, 3.0L GMET6 / Cooling System / Engine Cooling / Diagnosis and Testing / COOLING SYSTEM LEAKS"
- [9100789](/bulletins/11030426.md), 2026-04-01, Service bulletin: ENGINE. Before replacing the water pump on 3.0L SO/HO, please follow the updated WATER PUMP INSPECTION diagnostic procedure to confirm the leak persists "09 \- Engine, 3.0L GMET6 / Cooling System / Engine Cooling / Diagnosis and Testing / COOLING SYSTEM LEAKS"
- [08\-137\-26](/bulletins/11030417.md), 2026-04-01, Service bulletin: ENGINE. Flash: Ignition System Control Module \(ISCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P2096\-00 \- Downstream Fuel Trim System 1 Lean. ● P2097\-00 \- Downstream Fuel Trim System 1 Rich. ● P2098\-00 \- Downstream Fuel Trim System 2 Lean. ● P2099\-00 \- Downstream Fuel Trim System 2 Rich. ● P068A\-00 \- ECM Power De\-Energized Performance\-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. This bulletin involves inspecting and possibly reprogramming the TCM with the latest available software.

JSON: [/v1/bulletins/11031320](/v1/bulletins/11031320)

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