Dodge Caravan 2012–2013 — technical service bulletin
Bulletin 18-023-13 · NHTSA communication 10136868 · issued May 25, 2013
Technical service bulletin
communication type
Power Train
component
2012–2013
model years
2
vehicle entries
Official summary
Flash: Erroneous P0633 - SKIM Secret Key Not Stored in PCM And P0513 - Invalid SKIM Key Previous DTC assignment incorrectly associates the wrong DTC to immobilizer hand-shake failures with the WCM. To correct DTC assignment this bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. An additional code may be present U0168 - Lost Communication With Vehicle Security Control Module. This code is another indicator that there is an issue occurring during the ignition hand shake. Technician may find that the following Diagnostic Trouble Codes h
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.