Service bulletin 0809121

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)
Type	Service bulletin
NHTSA id	10230135
Published by NHTSA	2023-01-17
Manufacturer's number	0809121
Manufacturer's date	2021-05-22
NHTSA component	EXTERIOR LIGHTING; LANE DEPARTURE; POWER TRAIN; PARKING BRAKE; ELECTRICAL SYSTEM

NHTSA's summary

Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. Technicians and/or customers may report the vehicle will not pass a state smog check due to permanent fault codes which will not clear. As a result, the vehicles are not eligible to be registered in certain states. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) have been set: P0513 - Invalid Skim Key. U151A-87 - Hybrid Control Processor Secret Code-Missing Message. Customers may also experience the following symptom/conditions:Vehicle does not start when pushing ignition switch with DTC P0513 and U151-A87 (stored or active). Scheduled charging start/end does not align with displayed time (ex: 12:05pm end time on radio, but charging ends at 12:06pm). Scheduled charging does not start following a power outage. Scheduled Cabin Conditioning (SCC) feature will not function properly if they schedule the departure time in between 50 mins to 480 mins at extreme cold ambient temps (below -24°c (-11°f)). ?Charge Now? soft button does not always work. The vehicle will get a rough engine spin-down, and then ?Service Charging System? warning and shutdown if the vehicle is quickly re-cranked after the initial key crank. Unable to pass a smog check for certain states that require no DTCs present (stored or active). Vehicle shutdown (MIL set) if the acceleration pedal is 100% on ice. Vehicle may not have a successful 2nd remote start if customer happens to request it immediately after 1st remote start without letting the vehicle sleep while at low High Voltage (HV) battery State of Charge (SOC). Vehicle may not achieve propulsion through a cold key crank if the HV battery was not conditioned using thermal periodic wakeup featur

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

Brakes, Driver assistance, Electrical system, Lighting, Transmission and driveline, Parking brake

Trouble codes named

P0513, U151A

Vehicles listed
CHRYSLER PACIFICA	2021

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

Other bulletins for the same vehicles and component
S1623000028 Rev.	2023-02-13. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S2108000170	2023-01-17. Service bulletin. Head unit button stuck DTC code B14DA-2A
0805222	2023-01-09. Service bulletin. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power InverterModule (PIM) with the latest available software. Technicians and/or customers may report the vehicle will not pass a state smog check due to permanent fault codes which will not clear.As a result, the vehicles are not eligible to be registered in certain states. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find one or more of the following DTCs have been set: P0A33 - Drive Motor B Temperature Sensor 1 Circuit High. P0A2D - Sensor Power Supply 1 Circuit High. P215B - Vehicle Speed Output Shaft Speed Correlation. P0C4A - Drive Motor A Inverter Over Temperature. P0E15 - Hybrid-Ev Battery Pack Coolant Heater A Control Performance. P1AFE - MCPB Improper Shut Down. P1AF8 - MCPA Control Module Shutdown Performance. P0513 - Invalid Skim Key. U151A-87 - Hybrid Control Processor Secret Code-Missing Message. Customers may also experience more or more of the following: The scheduled charging does not occur on desired schedule. Vehicle does not start when pushing ignition switch with no MIL for DTCs P1AFE and P1AF8 (pending DTCs). Vehicle does not start when pushing ignition switch with DTCs P0513 and U151-A87 (stored or active). Scheduled charging start/end does not align with displayed time (ex: 12:05 pm end time on radio, but charging ends at 12:06 pm). Scheduled charging does not start following a power outage. Scheduled Cabin Conditioning (SCC) feature will not function properly if they schedule the departure time in between 50 minutes to 480 minutesat extreme cold ambient temps below -24 °C (-11 °F). ?Charge Now? soft button does not always work. The vehicle will get a rough engine spin-down, and then ?Service Charging System? warning and shutdown if the vehicle is quicklyre-cranked after the initial key crank.
S2108000170	2022-09-26. Service bulletin. Head unit button stuck DTC code B14DA-2A
0805222	2022-09-26. Service bulletin. Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power InverterModule (PIM) with the latest available software. Technicians and/or customers may report the vehicle will not pass a state smog check due to permanent fault codes which will not clear.As a result, the vehicles are not eligible to be registered in certain states. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find one or more of the following DTCs have been set: P0A33 - Drive Motor B Temperature Sensor 1 Circuit High. P0A2D - Sensor Power Supply 1 Circuit High. P215B - Vehicle Speed Output Shaft Speed Correlation. P0C4A - Drive Motor A Inverter Over Temperature. P0E15 - Hybrid-Ev Battery Pack Coolant Heater A Control Performance. P1AFE - MCPB Improper Shut Down. P1AF8 - MCPA Control Module Shutdown Performance. P0513 - Invalid Skim Key. U151A-87 - Hybrid Control Processor Secret Code-Missing Message. Customers may also experience more or more of the following: The scheduled charging does not occur on desired schedule. Vehicle does not start when pushing ignition switch with no MIL for DTCs P1AFE and P1AF8 (pending DTCs). Vehicle does not start when pushing ignition switch with DTCs P0513 and U151-A87 (stored or active). Scheduled charging start/end does not align with displayed time (ex: 12:05 pm end time on radio, but charging ends at 12:06 pm). Scheduled charging does not start following a power outage. Scheduled Cabin Conditioning (SCC) feature will not function properly if they schedule the departure time in between 50 minutes to 480 minutesat extreme cold ambient temps below -24 °C (-11 °F). ?Charge Now? soft button does not always work. The vehicle will get a rough engine spin-down, and then ?Service Charging System? warning and shutdown if the vehicle is quicklyre-cranked after the initial key crank.
08-018-21	2022-07-18. Service bulletin. Video Routing Module (VRM) Enhancements For Rear Seat Entertainment System This bulletin involves updating the VRM software level to 20.30.14. Customers may experience one or more of the following: One or both of the rear screens are not working after rear display replacement.If the rear display is replaced and it does not function, confirm that the Video Routing Module (VRM) software is up to date. Black screen on both rear screens(2017-19 MY Only). Rear Seat Entertainment (RSE) remote control does not pair. When playing a video from a USB stick the video does not resume where itleft off after an ignition cycle(2017-19 MY Only). Video Screens do not turn on(2017-18 MY Only). Radio Uconnect theater button does not work(2017-18 MY Only). USB playback is choppy (2017 MY Only). The video system resets or does not function(2017 MY Only). The remote pairing screen will time out and inform customer the remote(s)have not been paired(2017 MY Only). Remotes frequently do not pair(2017 MY Only). Occasional reset(2017 MY Only). Rear screens can be accidently controlled from the radio outside of theparental control feature(2017 MY Only). Black screen(2017 MY Only). Upon further investigation the technician may find that the following Diagnostic Trouble Code(DTC) has been set:U11BB-00 - Lost Communication With Video Routing Module. B15AD-00 - Lost Low Voltage Differential Signal (LVDS) Connection With MediaPort 1. B15AE-00 - Lost Low Voltage Differential Signal (LVDS) Connection With MediaPort 2. B15AA-00 - Lost Low Voltage Differential Signal (LVDS) Connection With Display1. B15AB-00 - Lost Low Voltage Differential Signal (LVDS) Connection With Display2.Low Voltage Differential Signal (LVDS) DTCs (B15AD00, B15AE00, B15AB00, B15AA00) get falsely set when thevehicle is remote started. In addition the following improvement is included. Blueborn cyber security patch(2017-19 MY Only).
08-018-21	2021-02-16. Service bulletin. Video Routing Module (VRM) Enhancements For Rear Seat Entertainment System This bulletin involves updating the VRM software level to 20.30.14. Customers may experience one or more of the following: One or both of the rear screens are not working after rear display replacement.If the rear display is replaced and it does not function, confirm that the Video Routing Module (VRM) software is up to date. Black screen on both rear screens(2017-19 MY Only). Rear Seat Entertainment (RSE) remote control does not pair. When playing a video from a USB stick the video does not resume where itleft off after an ignition cycle(2017-19 MY Only). Video Screens do not turn on(2017-18 MY Only). Radio Uconnect theater button does not work(2017-18 MY Only). USB playback is choppy (2017 MY Only). The video system resets or does not function(2017 MY Only). The remote pairing screen will time out and inform customer the remote(s)have not been paired(2017 MY Only). Remotes frequently do not pair(2017 MY Only). Occasional reset(2017 MY Only). Rear screens can be accidently controlled from the radio outside of theparental control feature(2017 MY Only). Black screen(2017 MY Only). Upon further investigation the technician may find that the following Diagnostic Trouble Code(DTC) has been set:U11BB-00 - Lost Communication With Video Routing Module. B15AD-00 - Lost Low Voltage Differential Signal (LVDS) Connection With MediaPort 1. B15AE-00 - Lost Low Voltage Differential Signal (LVDS) Connection With MediaPort 2. B15AA-00 - Lost Low Voltage Differential Signal (LVDS) Connection With Display1. B15AB-00 - Lost Low Voltage Differential Signal (LVDS) Connection With Display2.Low Voltage Differential Signal (LVDS) DTCs (B15AD00, B15AE00, B15AB00, B15AA00) get falsely set when thevehicle is remote started. In addition the following improvement is included. Blueborn cyber security patch(2017-19 MY Only).