2021-2023 Jeep Wrangler P0CA6-00 Check Engine Light TSB

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.

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Source: NHTSA ID 10248571