Service bulletin 08-138-25
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 | 11017972 |
| Published by NHTSA | 2025-05-06 |
| Manufacturer's number | 08-138-25 |
| Manufacturer's date | 2025-04-30 |
| NHTSA component | SUSPENSION |
| Manufacturer's system | Air Suspension Control Module |
NHTSA's summary
"Flash: Air Suspension Control Module (ASCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Codes (DTC): ● U0300 - Internal Control Module Software Incompatibility.** Customers may experience one or more of the following: ● Ride height disabled. ● Suspension will lower, but will not raise. ● Instrument Panel Message (IPC) message ""selected ride height not permitted due to payload"" appears. This bulletin involves reprogramming the ASCM with the latest available software. "
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
Suspension
Trouble codes named
U0300
| JEEP GRAND CHEROKEE | 2024 |
|---|---|
| JEEP GRAND CHEROKEE 4XE | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| JEEP GRAND CHEROKEE L | 2024 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| S2102000004 REV.D | 2026-07-02. Service bulletin. WL Front Control Arm Bushing - Handling Link Has Loose Rubber Appearance |
|---|---|
| 9100811 Rev 4 | 2026-07-02. Service bulletin. Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the handling link (SOL S2102000004 Rev C. for reference). This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and if worn, replace. If diagnosis leads to lower control arm replacement, the tension link(s) should be replaced first then test driven to ensure noise has disappeared before any handling link replacements. |
| S2503000001 REV.A | 2026-06-18. Service bulletin. Service 4WD Message, With Any Combination Of The Following Front Axle Disconnect (FAD) Diagnostic Trouble Codes |
| 9100811Rev3 | 2026-06-03. Service bulletin. ***68375577A$ is not showing the correct verbiage please update and correct*** Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the handling link (SOL S2102000004 Rev C. for reference). This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and if worn, replace. If diagnosis leads to lower control arm replacement, the tension link(s) should be replaced first then test driven to ensure noise has disappeared before any handling link replacements. |
| 9100811 REV1 | 2026-05-28. Service bulletin. Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the handling link (SOL S2102000004 Rev C. for reference). This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and if worn, replace. If diagnosis leads to lower control arm replacement, the tension link(s) should be replaced first then test driven to ensure noise has disappeared before any handling link replacements. |
| 9100811 | 2026-05-20. Service bulletin. Clunking when going over bumps, potholes, or turns. During diagnosis dealers may find rubber separating from the bushing on the tension link. This is normal and most likely is not attributed to the noise. Please follow normal diagnosis and ensure all tie-rod and ball joints are properly torqued and if worn, replace. If diagnosis leads to lower control arm replacement, the tension link(s) should be replaced first then test driven to ensure noise has disappeared before any handling link replacements. |
| S2102000004 REV.C | 2026-04-29. Service bulletin. WL Front Control Arm Bushing - Handling Link Has Loose |
| 9100446 Rev 5 | 2026-04-29. Service bulletin. BSR from the front suspension. Investigate the disconnecting stabilizer bar for a broken or cacked weld on the upper mount (anti rotation bracket). Instead of the replacing the whole stabilizer bar use Kit #PN#68730602AB. Refer to SOL #S2502000002 for additional information. |
| S2602000003 | 2026-04-01. Service bulletin. Clunk, Creaking, Squeaking, Knocking Noise From Front Suspension Over Bumps And Or Rough Road Conditions. |
| S2602000001 | 2026-03-13. Service bulletin. Service Electric Sway Bar Lamp On In Cluster. Diagnostic Trouble Code (DTC) C008E-00 In Auto Sway Bar (ASBS) |