55 is end of message. It just means that the test is done and there are no more codes.
it is the completion of the codes
code 41 -1993 Plymouth voyager - Alternator Circuit
Code 55 is end of message ( it is done flashing codes )Code 12 is start of message or battery was disconnected.Code 55 is end of message ( it is done flashing codes )Code 12 is start of message or battery was disconnected.
Trouble code P0340 means:Camshaft position sensor circuit malfunction
The code numbers are two didgit codes. That was probably a 12 and a 55. 12 is start of message, 55 is end of message. Basically that means there are no trouble codes.
No vacuum change at the MAP sensor.
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Trouble code P1294 means: Target idle not reached
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1698 means: No CCD Messages Received From The TCM
Trouble code P1698 means: No CCD Messages Received From The TCM
The 1987 Plymouth Voyager weighs in at about 3,305 pounds. The 1987 Plymouth Grand Voyager weighs right around 3,531 pounds.