Service bulletin 85514

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10229518
Published by NHTSA	2023-01-09
Manufacturer's number	85514
Manufacturer's date	2022-08-17
NHTSA component	POWER TRAIN; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

Warranty Bulletin D-22-08 Fast Feedback Program ? 3.0L I6 SO Twin Turbo Engine, 3.0L I6 HO Twin Turbo Engine, Exhaust Systems, Turbocharger Assemblies, Fuel Components and Cooling Components - 2022 and 2023 Wagoneer and Grand Wagoneer (WS) (Rev. A)

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, Transmission and driveline

Vehicles listed
JEEP GRAND CHEROKEE	2023
JEEP GRAND WAGONEER	2022
JEEP WAGONEER	2022, 2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
26V413000	2026-06-30. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
2025617	2025-11-06. Engine
25V766000	2025-11-06. ENGINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
S2621000004	2026-10-07. Service bulletin. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
S2609000011	2026-09-17. Service bulletin. MIL-On and/or Engine Oil Leak
9100363 Rev 3	2026-09-03. Service bulletin. Turbocharger Kit Please note that many turbo components are serviceable separately and full turbo replacement may not be required. If the turbo is being inspected for: Noise/Rattle: Inspect heat shield fasteners for looseness and check the wastegate actuator/linkage for binding. The actuator kit is serviced separately. Oil Leak: Inspect the turbo oil feed O-ring area for leaks. O-ring is serviced separately.
9100861 Rev 3	2026-08-06. Service bulletin. 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.
18-069-26	2026-07-29. Service bulletin. Flash: Powertrain Control Module (PCM) 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): ● U0104-00 - Lost Communication With Cruise Control Module (NA Market Only) (In Active or Stored status). ● U0405-00 - Invalid Data Received From Cruise Control Module (NA Market Only) (In Active or Stored status). NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared. ● P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1 (In Active or Stored status). ● P0071-00 - Ambient Air Temperature Sensor Performance (In Active or Stored status). ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low (In Active or Stored status). ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High (In Active or Stored status). ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or (In Active or Stored status). ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1 (In Active or Stored status). ● U0673-00 - Lost Communication With Ion Sense Module (In Active or Stored status). ● P05BD-00 - Stop-Start Mode Switch Range/Performance (In Active or Stored status). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off (In Active or Stored status). ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance (In Active or Stored status). ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking (In Active or Stored status). ● P0325-00 - Knock/Combustion Vibration Sensor 1 Circuit (In Active or Stored status). ● P0330-00 - Knock/Combustion Vibration Sensor 2 Circuit (In Active or Stored status). ● P032A-00 - Knock - Combustion Vibration Sensor C Circuit (In Active or Stored status). ● P062B-00 - Internal Control Module Fuel Injector Control Performance (In Active or Stored status). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
9100861 Rev 1	2026-07-23. Service bulletin. 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.
113528	2026-07-23. Service bulletin. SHAFT - AXLE HALF
113529	2026-07-23. Service bulletin. SHAFT - AXLE HALF
18-068-26	2026-07-23. Service bulletin. Flash: Powertrain Control Module (PCM) 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): ● U0405-00 - Invalid Data Received From Cruise Control Module. ● U0104-00 - Lost Communication With Cruise Control Module. NOTE: Vehicles setting DTCs U0405-00 and U0104-00 may experience an inability to be cleared. ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. ● P06DD-00 - Engine Oil Pressure Control Circuit Stuck Off. ● P0604-00 - Internal Control Module Random Access Memory Ram Error. ● P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software.
9100861	2026-07-18. Service bulletin. 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.