2021-2023 Jeep Wrangler P0CA6-00 Check Engine Light TSB
Owners of 2021-2023 Jeep Wrangler 4xe models may experience a "Check Engine Light On" due to DTC P0CA6-00, indicating a 'Hybrid/EV Battery Charging Current High' condition. This manufacturer communication addresses the diagnosis and potential resolution for this hybrid system fault.
Also applies to
- Jeep Wrangler
- 2022–2023
Owners of 2021-2023 Jeep Wrangler 4xe models may encounter a "Check Engine Light On" indicator. This issue is specifically linked to a diagnostic trouble code (DTC) P0CA6-00, which points to a condition within the vehicle's hybrid propulsion system.
This 2021 Jeep Wrangler manufacturer_communication, identified by NHTSA ID 10248571, provides guidance for technicians to address this specific fault.
Symptoms
The primary symptom owners will notice is the illumination of the "Check Engine Light On" on the instrument cluster. This warning light indicates a detected issue within the vehicle's systems that requires attention.
Fault Codes / DTCs
When the "Check Engine Light On" illuminates for this specific issue, diagnostic scans will typically reveal the following trouble code:
- P0CA6-00: "Hybrid/EV Battery Charging Current High"
This code directly points to an abnormal condition where the hybrid/EV battery is experiencing a higher-than-expected charging current.
Diagnosis and Trigger Conditions
The presence of DTC P0CA6-00 indicates that the vehicle's hybrid propulsion system has detected an out-of-range charging current for the hybrid/EV battery. Technicians will utilize diagnostic tools to confirm this code and further investigate the specific conditions under which it was set.
Repair Procedure Summary
While the detailed repair steps are not provided in the summary of this 2021 Jeep Wrangler manufacturer_communication, the bulletin aims to guide dealerships in diagnosing and resolving the "Hybrid/EV Battery Charging Current High" condition that triggers the P0CA6-00 fault code. This typically involves inspecting components of the hybrid propulsion system and performing necessary repairs or software updates.
Owner Action
If your 2021-2023 Jeep Wrangler 4xe displays a "Check Engine Light On" and you suspect it might be related to DTC P0CA6-00, it is recommended to schedule an appointment with an authorized Jeep dealership. They have access to the specific manufacturer communication (NHTSA ID 10248571) and specialized diagnostic equipment to accurately identify and correct the underlying issue with the hybrid propulsion system.
Source: NHTSA ID 10248571
Frequently Asked Questions
- What does the DTC P0CA6-00 mean for my Jeep Wrangler?
- DTC P0CA6-00, or "Hybrid/EV Battery Charging Current High," indicates that your 2021-2023 Jeep Wrangler 4xe's hybrid propulsion system has detected an abnormally high charging current to the hybrid/EV battery.
- Which Jeep Wrangler models are affected by the P0CA6-00 issue?
- This manufacturer communication, NHTSA ID 10248571, applies to 2021, 2022, and 2023 Jeep Wrangler models, specifically those equipped with the hybrid powertrain (4xe).
- What should I do if my Jeep Wrangler's 'Check Engine Light On' comes on with DTC P0CA6-00?
- If your Jeep Wrangler displays a "Check Engine Light On" and you suspect the P0CA6-00 fault, you should contact an authorized Jeep dealership. They can diagnose the issue using the relevant manufacturer communication and perform the necessary repairs to the hybrid propulsion system.
What Jeep Wrangler owners report
Counted from the records in our database across 41 model years.
- 18,838
- Owner complaints
- 104
- Recalls
- 2,758
- Service bulletins
- 572
- Crashes reported
- 552
- Fires reported
- 435
- Injuries reported
The 2021 model year
963 complaints, the 5th most of 41 model years on file. Owners reported 21 crashes, 27 fires and 15 injuries for this year, which also has 17 recalls on file.
Hybrid Propulsion System, the system this article covers, accounts for 5 of 18,838 complaints (0%), including 2 for 2021.
Complaints by model year
| 2006 | 730 | |
|---|---|---|
| 2007 | 1,750 | |
| 2008 | 1,904 | |
| 2010 | 686 | |
| 2012 | 836 | |
| 2014 | 658 | |
| 2018 | 1,827 | |
| 2019 | 747 | |
| 2021 | 963 | |
| 2024 | 970 |
Most-reported systems
- Steering — 3,929
- Electrical System — 3,613
- Power Train — 2,470
- Engine — 2,406
- Fuel System — 2,015
Latest recalls for the 2021 model year
- 26V363000 — Steering (Jun 2026) — Park outside
- 25V741000 — Electrical System (Oct 2025) — Park outside
- 24V720000 — Electrical System (Sep 2024)
Recent owner reports about hybrid propulsion system
Read owner complaints →The contact owns a 2021 Jeep Wrangler. The contact stated while stationary at a traffic light, multiple warning lights were illuminated and the vehicle failed to shift out of park(P).
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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