Service bulletin 1806420
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 | 10221881 |
| Published by NHTSA | 2022-09-26 |
| Manufacturer's number | 1806420 |
| Manufacturer's date | 2020-08-22 |
| NHTSA component | ELECTRICAL SYSTEM; POWER TRAIN |
NHTSA's summary
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 DTCs:P2610 - PCM Internal Engine Off Timer Performance. U1504 - Implausible Message Data Length Received From Steering Angle Sensor. U1424 - Implausible Engine Torque Signal Received DTC False Failure. P2097 - Downstream Fuel Trim System 1 Rich DTC Calibration Robustness Improvement. P2099 - Downstream Fuel Trim System 2 Rich DTC Calibration Robustness Improvement. U0402 - Implausible Data Received. B10EA - Blower Motor Control Circuit High. B10E9 - Blower Motor Control Circuit Low. P0456 - EVAP System Small Leak. In addition, the following software enhancements are available:Calibration update to allow the throttle body to be cycled while the engine is off, for diagnostic purposes. Calibration update for a slight push in the vehicle that may be felt when coasting down during a 8th to 7th gear downshift. Vehicle shudder at stop/start with A/C on.
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
Electrical system, Transmission and driveline
Trouble codes named
B10E9, B10EA, P0456, P2097, P2099, P2610, U0402, U1424, U1504
| JEEP CHEROKEE | 2016 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 23V338000 | 2023-05-11. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK |
|---|---|
| 2023254 | 2023-04-27. Powertrain |
| 23V302000 | 2023-04-27. POWER TRAIN:AUTOMATIC TRANSMISSION |
| 2020261 | 2020-06-12. Powertrain |
| 20V343000 | 2020-06-11. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION |
| 18V332000 | 2018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING |
| 2016220 | 2016-05-12. Powertrain |
| 2016219 | 2016-05-12. Powertrain |
| 16V287000 | 2016-05-11. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT |
| 16V284000 | 2016-05-11. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 08-292-26 | 2026-07-29. Service bulletin. Unable To Clear C1494-07 And C14A9-00 After 45A Recall Technicians may experience the following: SYMPTOM: ● wiTECH displays a mismatch error after performing recall 45A. |
|---|---|
| S1408000384 REV.J | 2026-03-13. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S1408000384 REV.I | 2026-02-19. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S1721000016 REV.B | 2025-12-23. Service bulletin. Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code (DTC) C14A7-97 PTU Motor Component Or System Operation Obstructed Or Blocked. |
| S2208000138 REV.B | 2025-07-09. Service bulletin. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed |
| S1408000384 REV.H | 2025-01-28. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S1408000384 REV.G | 2025-01-09. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S1408000384 REV.F | 2024-07-02. Service bulletin. "Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On " |
| S1408000384 | 2024-03-18. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S2325000007 | 2024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update. |