# Service bulletin S2308000117 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. - Type: Service bulletin - NHTSA id: 10248571 - Published by NHTSA: 2024\-01\-08 - Manufacturer's number: S2308000117 - Manufacturer's date: 2023\-09\-20 - NHTSA component: HYBRID PROPULSION SYSTEM ## NHTSA's summary Check Engine Light On, P0CA6\-00 Hybrid/EV Battery Charging Current High ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248571-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248571-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Hybrid and electric drive ## Trouble codes named P0CA6 ## Vehicles listed - 2021 to 2023 JEEP WRANGLER ## Recalls for the same vehicles and component - [2025595](/recalls/tc/2025595.md), 2025-10-30: High Voltage - [25V741000](/recalls/nhtsa/25V741000.md), 2025-10-30: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [25V710000](/recalls/nhtsa/25V710000.md), 2025-10-17: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE \(HPCU\):SOFTWARE - [2024566](/recalls/tc/2024566.md), 2024-09-27: High Voltage - [24V720000](/recalls/nhtsa/24V720000.md), 2024-09-27: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [2023627](/recalls/tc/2023627.md), 2023-11-22: High Voltage - [23V787000](/recalls/nhtsa/23V787000.md), 2023-11-22: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [2023255](/recalls/tc/2023255.md), 2023-04-27: High Voltage - [23V303000](/recalls/nhtsa/23V303000.md), 2023-04-27: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY - [2022582](/recalls/tc/2022582.md), 2022-10-14: High Voltage ## Other bulletins for the same vehicles and component - [S2008000031](/bulletins/10243172.md), 2023-10-02, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:PORT. Low Charging Voltage Displayed On Cluster - [0816723](/bulletins/10242805.md), 2023-09-25, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE \(HPCU\); ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT; ELECTRICAL SYSTEM. Flash: Battery Pack Control Module \(BPCM\) Diagnostic and System Updates 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: ?P0A80\-00 \- Replace Hybrid/EV Battery Pack. ? P0EDD\-00 \- Contactor Wear Counter Far Advanced. In addition, the customer may comment on the following condition: ? Battery light on in the Instrument Panel Cluster \(IPC\). This bulletin involves updating the BPCM with the latest available software. - [0817023](/bulletins/10242799.md), 2023-09-25, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE \(HPCU\). Flash: Hybrid Control Processor \(HCP\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ?P0563\-00 \- System Voltage High. ? P2B28\-00 \- Hybrid/EV Battery Pack Coolant Pump Performance. Customers may also comment on one or more of the following: ? Reduced engine restart performance. ? May observe battery lamp illumination or the technician observes the 12V system voltage high when diagnosing. This bulletin involves reprogramming the HCP also known as Power Inverter Module \(PIM\) with the latest available software. - [S2208000139](/bulletins/10230305.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:FUEL CELL. Check Engine Lamp \(CEL\) Multiple Diagnostic Trouble Codes \(DTC\) - [0807321](/bulletins/10230092.md), 2023-01-17, Service bulletin: HYBRID PROPULSION SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. PHEV Ready Telltale This bulletin is to communicate that a customer may report the vehicle does not start with any warning indicators. A technician can not confirm any faults even if they can duplicate the reported concern. - [9004376\-1](/bulletins/10229997.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:PUMP. PUMP, Vacuum Prior to replacing the vacuum pumps, please contact or email FCA Redacted Content. If no response in 15 minutes, proceed with repair. - [0814622](/bulletins/10229535.md), 2023-01-09, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE \(BMS/BECM\); ELECTRICAL SYSTEM. Flash: Battery Pack Control Module \(BPCM\) Diagnostic and System Updates This bulletin involves updating the BPCM with the latest available software. Customers may experience a false Malfunction Indicator Lamp \(MIL\) illumination related to PHEV battery: P1A21\-00 \- HV Battery Contactor Control Sequence Incorrect. P0B3E\-00 \- Hybrid/EV Battery Voltage Sense 1 Circuit High. P0607\-00 \- ECU Internal Performance. P1E1B\-00 \- Hybrid/EV Battery Side Voltage System Isolation. P0AA4\-00 \- Hybrid Battery Negative Contactor Circuit Stuck Closed. - [S2207000001](/bulletins/10228011.md), 2022-12-19, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT; UNKNOWN OR OTHER. Coolant Color Looks Lighter Than Service Procedure Coolant - [S2208000154](/bulletins/10225982.md), 2022-11-07, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; BACK OVER PREVENTION. Service Hybrid Electric Vehicle System Message Displayed In The IPC. Vehicle Shakes During A Cold Start And Noise Is Heard Near The P2 Motor. DTC?s U0287\-00 And B273C\-00 - [Z27](/bulletins/10225382.md), 2022-10-31, Service bulletin: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY. Customer Satisfaction Notification Z27 PHEV Battery Replacement JSON: [/v1/bulletins/10248571](/v1/bulletins/10248571) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20S2308000117&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10248571&vehicle=Service%20bulletin%20S2308000117)