Jeep Wrangler 2013 — technical service bulletin
Bulletin 08-060-12 · NHTSA communication 10216335 · issued Nov 14, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013
model years
1
vehicle entries
Official summary
Flash: No Start, No Crank Intermittently, B2204 ECU Configuration Mismatch This Bulletin involves reprogramming the Wireless Control Module (WCM). The customer may experience a no crank, no start condition. Upon further diagnosis the tech may find an active B2204 ECU Configuration Mismatch. This condition may be caused by the vehicle's voltage dropping below 4.5 volts for greater than 200 msec, The WCM will lose information from the EEPROM. Information that may be lost includes key programmed status and immobilizer feature enabled status.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.