Technical Service Bulletin 122-T7Y5Q-12 — 2009 PORSCHE CAYMAN
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | 122-T7Y5Q-12 |
| Manufacturer | |
| Vehicle | 2009 PORSCHE CAYMAN |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin Summary
Information: This document updates information previously published in EQ 1105, EQ 1105, and EQ 1401. To provide stable voltage and sufficient current throughout certain service operations, you should connect the vehicle to a battery charger (sometimes referred to as a power supply). However, you may experience ECU programming and coding issues if the chosen battery charger has insufficient power. Many workshop manuals currently advise use of a battery charger with a 40 or 70 A current rating. However, with the increasing current requirements of modern Porsche vehicles, we recommend a battery charger capable of producing a minimum current of 90 A.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2009 PORSCHE CAYMAN
No. 66-21
TIRES
No. 59-21
ENGINE AND ENGINE COOLING
No. 1820.1
STRUCTURE
122-L8R6J-10
ELECTRICAL SYSTEM
122-B9C6P-06
ELECTRICAL SYSTEM
TI-35-09
POWER TRAIN:AUTOMATIC TRANSMISSION