NHTSA service bulletin

NHTSA Service Bulletin 11027850: 2024 Jeep Wrangler

Official manufacturer communication context for 2024 Jeep Wrangler, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11027850 summary graphic for 2024 Jeep Wrangler
11027850NHTSA document ID
Warranty program / extensioncommunication type
1affected product rows
92/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

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): P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. **(Manual Transmission Only)** P0032 - O2 - Sensor 1/1 Heater Circuit High. P0038 - O2 - Sensor 1/2 Heater Circuit High. P0052 - O2 - Sensor 2/1 Heater Circuit High. P0058 - O2 - Sensor 2/2 Heater Circuit High. P1129 - Closed Loop Fueling Not Achieved-Banks 2 Upstream. P0152 - O2 Sensor 2/1 Circuit High. P0158 - O2 Sensor 2/2 Circuit High. P2504 - Charging System Output High. P0563 - System Voltage High. Customers may also comment on the following: "Service Transmission message on in the Instrument Panel Cluster (IPC) due to clutch slip detection **(Manual Transmission Only). NOTE: Customers might experience wheel spin or slippage and the PCM could interpreted the wheel spin or slippage as slipping the clutch too much and to avoid clutch damage, the customer may see the message in the IPC.** During flat tow - Transfer case mis-shift (engine running and clutch pedal up, transmission in gear) **(Manual Transmission Only)**. Vehicle runs rough. Other software enhancements include: Improvements to address vehicle no starts after replacing the PCM. O2 heater crack improvements. OBD software changes. statement. Revisions not highlighted by asterisks include removal of a Sale Code. M18 FSAR-TSB-6879 -2- This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update (RSU) 24-109, date of issue August 01, 2024. All applicable RSU VINs have been loaded. To verify this RSU service action is applicable to the vehicle, use VIP or perform a VIN search in DealerCONNECT/Service Library. All repairs are reimbursable within the provisions of warranty. REPAIR SUMMARY: **This bulletin involves inspecting and possibly reprogramming the PCM with th

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
JeepWrangler2024Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 11027850?

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): P08A6 - Gear Lever Position Sensor System - Multiple Sensor Correlation. **(Manual Transmission Only)** P0032 - O2 - Sensor 1/1 Heater Circuit High. P0038 - O2 - Sensor 1/2 Heater Circuit High. P0052 -.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

Get Full Report