Flash: Powertrain Control Module (Pcm) Updates P02EE, P02EF, P02F0, P02F1 (18-057-24)

WARNING: This page is about the Cherokee 80th Anniversary Edition, 2.0L Eng VIN N, 4WD, Automatic T/Case Control, which is a different variant/trim than selected.

Publication date: 2024-06-26
Reference number: 18-057-24
Supersedes refnos: 18-019-21

FLASH: POWERTRAIN CONTROL MODULE (PCM) UPDATES P02EE, P02EF, P02F0, P02F1

TECHNICAL SERVICE BULLETIN

Reference Number(s): 18-057-24, Date of Issue: June 26, 2024

CHRYSLER:	2021 (KL) Jeep Cherokee
GROUP:	18 - Vehicle Performance

Superceded Bulletin(s): 18-019-21, Date of Issue: March 25, 2021

VEHICLES AFFECTED

2021 (KL) Jeep Cherokee

This bulletin applies to vehicles equipped with a 2.0L I4 DOHC DI Turbo Engine W/ESS (Sales Code EC1).

CUSTOMER SYMPTOM

**Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):**

P02EE - Cylinder 1 Injector Circuit Performance.
P02EF - Cylinder 2 Injector Circuit Performance.
P02F0 - Cylinder 3 Injector Circuit Performance.
P02F1 - Cylinder 4 Injector Circuit Performance.

**Customers may also comment on one or more of the following:

Cruise control inoperable.
Lack of power after being in prolonged heat.
Engine Stop/Start (ESS) is not working.**

CAUSE

PCM software

NOTE: This bulletin supersedes Technical Service Bulletin (TSB) 18-019-21, date of issue March 25, 2021, which should be removed from your files. All revisions are highlighted with **asterisks** and include an updated Customer Symptom statement, Symptoms/Conditions, repair procedure step and new LOP.

REPAIR SUMMARY

This bulletin involves reprogramming the PCM with the latest available software.

CLAIMS DATA

CLAIMS INFORMATION

Labor Operation No:	Labor Description	Skill Category	Labor Time
**18-19-06-GA	Module, Powertrain Control (PCM) - Reprogram (0 - Introduction)	1 - Engine Repair And Performance	0.3 Hrs.**
Failure Code	CC	Customer Concern

The dealer must use failure code CC with this Technical Service Bulletin.

If the customer's concern matches the SYMPTOM identified in the Technical Service Bulletin, failure code CC is to be used.
When utilizing this failure code, the 3C's (customer's concern, cause and correction) must be provided for processing Technical Service Bulletin flash/reprogramming conditions.

DIAGNOSIS

Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in DealerCONNECT/Service Library, verify all related systems are functioning as designed. If DTCs or symptom conditions, other than the ones listed above are present, record the issues on the repair order and repair as necessary before proceeding further with this bulletin.

If the customer describes any of the symptoms listed above in the customer symptom section, perform the Repair Procedure.

SPECIAL TOOLS/EQUIPMENT

SPECIAL TOOLS INFORMATION

Description	Ref. No.	Notes
wiTECH or Equivalent	-	-

REPAIR PROCEDURE

NOTE: Install a battery charger to ensure battery voltage does not drop below 13.2 volts. Do not allow the charging voltage to climb above 13.5 volts during the flash process.

NOTE: If this flash process is interrupted/aborted, the flash should be restarted.

Reprogram the PCM with the latest available software. **If issues arise when flashing a module using the wiTECH Diagnostic Application, please submit a ticket to the Helpdesk. The helpdesk can be found within the Help menu.**
Clear all DTCs that may have been set in any module due to reprogramming. The wiTECH application will automatically present all DTCs after the flash and allow them to be cleared.

POLICY

Reimbursable within the provisions of the warranty.