WenmarOpen by Wenmar Pro

Service bulletin 18-064-19 REV. A

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)
TypeService bulletin
NHTSA id10170401
Published by NHTSA2020-01-21
Manufacturer's number18-064-19 REV. A
Manufacturer's date2019-12-18
NHTSA componentPOWER TRAIN; ENGINE AND ENGINE COOLING

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 that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P16A2 - ETC Motor Self-Learning (Limp Home Position). P023E - Turbocharger Pressure And Manifold Pressure Plausibility (Signal Rate Of Change Below Threshold)Euro Stage 6D Emissions (Sales Code NBD). Customer may also experience the following:Engine hesitation/surge feeling after a cold engine start and while driving in 2nd gear under 3000 rpm (customer may comment that the engine doesn't give full power until after a couple minutes)Euro Stage 6D Emissions (Sales Code NBD).

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, Transmission and driveline

Trouble codes named

P023E, P16A2

Vehicles listed
JEEP COMPASS2017, 2018

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

Recalls for the same vehicles and component
20184222018-08-09. Powertrain
17V6700002017-10-24. ENGINE AND ENGINE COOLING:ENGINE
20172512017-05-10. Powertrain
17V3010002017-05-09. 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.

Other bulletins for the same vehicles and component
1128422026-07-02. Service bulletin. BOLT - HEX FLANGE HEAD
91007762026-03-13. Service bulletin. Before replacing the RDM, please be aware that NVH from differential gears is typical and within the acceptable limits. Do not replace RDM for NVH issue.
21-040-252025-10-08. Service bulletin. 948TE Transmission Reaction Shaft Service Bushing Kit Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DB7-00 - Torque Converter Clutch Performance.
91006242025-07-17. Service bulletin. Verify Reman part number availability. Order the "R" part number for all orders:
09-018-242024-09-04. Service bulletin. "2.4L Excessive Oil Consumption XB1 Warranty Extension The customer may describe one or more of the following: ● Oil pressure low indicator lamp illumination between oil changes. ● Excessive oil consumption. This bulletin involves performing an oil consumption verification test and possibly replacing the long block."
S1408000384 REV.F2024-07-02. 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 "
07007232023-07-31. Service bulletin. Water Quality When Mixed With Engine Coolant
18048232023-05-30. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
09003232023-05-30. Service bulletin. 2.4L Excessive Oil Consumption XB1 Warranty Extension The customer may describe one or more of the following: ? Oil pressure low indicator lamp illumination between oil changes. ? Excessive oil consumption. This bulletin involves performing an oil consumption verification test and possibly replacing the long block.
W842023-01-17. Service bulletin. Customer Satisfaction Notification W84 Powertrain Software Update