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Service bulletins for the 2014 Porsche Panamera

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.

558 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: 12-volt battery are shown. Show all

Bulletins, newest first
No. 17-202020-10-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Service campaign information on Porsche Workshop Campaign WKK5 Workshop campaign - Re-programming air conditioning and high-voltage battery control units.
No. 139-202020-10-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Information on replacing the HV battery on the Panamera S E Hybrid.
122-Z6W8C-072017-10-27. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Subject: Discharge protection function of the batterymanagement system(BMS) in order to extend the service life of high-voltage and low-voltage batteries
122-X3Y7Q-072017-10-27. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Concerns: AGM starter battery (referred to below simply as 'battery') Situation: Support for the care andmaintenance of the AGMstarter battery (at the dealership): From the time the vehicle is delivered to the Porsche Centre until it is handed over to the customer, the battery must be maintained and charged regularly, depending on use.
122-R8X7Z-072017-10-27. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Customer complaints concerning battery-related topics Recurring customer complaints concerning topics relating to battery capacity and quality.
122-U5S5J-092017-09-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Information: During the packaging of a High Voltage Lithium Ion battery, copies of The test log for classification of lithium-ion high voltage batteries (located in PIWIS - Standard Forms) must be attached inside the box and to the document bag on the exterior of the box as per the Workshop Manual 2X00IN Packing non-critical high-voltage battery (970, 971, 92A) or Workshop Manual 2708IN Packaging instructions for high-voltage battery (918)
122-L7N8T-062017-09-14. Service bulletin. HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Concerns: High-voltage battery control unit Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. The errormessage "Hybrid system failure - Park vehicle safely" can appear sporadically in the instrument cluster on the affected vehicles because the high-voltage system diagnostic function is too sensitive.
122-J6D9Z-052017-09-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Concerns: Replacing cover for high-voltage battery vent line Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. Vent line covers that do not comply with the latest standards may have been installed on the affected vehicles.
122-U8S4N-052017-09-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Concerns: 'High-voltage battery' control unit Information: In the event of spare parts requirements for * 'High-voltage battery' control unit * High-voltage battery the software version must be checked after installing these components.
122-V8Q9H-062017-08-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; HYBRID PROPULSION SYSTEM. Concerns: High-voltage battery Information: This is to inform you of a Stop Sale/Workshop Campaign on the above-mentioned vehicles. There is a possibility that high-voltage batteries from a batch that does not conform to the high quality standards of Porsche AGmay have been installed in the affected vehicles. As a result, the high-voltage battery may fail after the vehicle has been driven for just a short time. If this happens, the message "Hybrid system failure" will be displayed in the instrument cluster
122-H3G7P-062017-08-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Concerns: Instrument cluster Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles.Due to a software error in the instrument cluster, the departure time set in the departure timermay be read incorrectly while the high-voltage battery is charging. As a result, there is a possibility that the vehicle's high-voltage battery may not be fully charged by the required departure time.
TI-29-142014-10-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. PORSCHE: THE HIGH VOLTAGE SYSTEM DIAGNOSTIC FUNCTION IS OVERLY SENSITIVE AND SPORADICALLY AN ERROR MESSAGE HYBRID SYSTEM FAILURE-PARK VEHICLE SAFELY WOULD APPEAR AN HIGH VOLTAGE BATTERY CONTROL UNIT NEEDS TO BE REPROGRAMMED. MODEL 2014 PANAMERA S E HYBRID. *PE
TI-102-12014-03-29. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT ADAPTIVE/MOBILITY. PORSCHE: IN SOME VEHICLES, AN E BOX, FOR HIGH VOLTAGE SYSTEM, FAILS TO MEET REQUIRED SPECIFICATIONS, WAS INSTALLED AND A POSSIBILITY THE VEHICLE WILL FAIL, AFTER BEING DRIVEN., MODEL 2014 PANAMERA S E-HYBRID. *PE
TI-12-13-132014-02-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. PORSCHE: INFORMATION CONCERNING THE REPLACEMENT OF THE HIGH VOLTAGE BATTERY. THE CURRENT HIGH VOLTAGE BATTERY MAY NOT CONFORM TO THE HIGH QUALITY STANDARDS OF PORSCHE AG. *JS

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.