Toyota Prius owners have reported 2 problems related to battery cable (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Toyota Prius based on all problems reported for the Prius.
The contact owns a 2007 Toyota Prius. He stated that he was unable to start the vehicle. The dealer stated that the battery died because the vehicle sat for more than ten days. The dealer charged the battery and there had been no further occurrences. The manufacturer stated that the battery cables should be disconnected when the vehicle sits for 7-10 days in order to prevent the failure. The contact felt that the remedy was unsafe. The current and failure mileages were 5,800.
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2003 Toyota Prius had 12v battery replaced under Toyota TSB el014-03 "battery capacity improvement" instructions were omitted as well as not followed. Car was driven for approx. 2 weeks with battery not vented outside passenger compartment and not protected from damage by heavy objects in trunk. Was corrected by me prior to further operation. Potential for a fire starting in the trunk of the car due to hydrogen gas build up from charging/discharging igniting the trunk lining, passing up the plastic ventilation system for traction battery and fusing high voltage traction battery cables together was there prior to correcting vent situation. Awaiting response from local dealer and would like to know if there are specific regulations about venting lead acid batteries outside passenger compartments other than federal motor safety administration 393. 30 battery installation.
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