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P0603 Diagnostic Trouble Code Discussion for October 2006

Control Module Long Term Memory Reset


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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
1997 Cadillac DeVille 4.6L dies at times VIN: 1G6KD54Y3V
P0603: pcm keep alive memory. ... anytime like idling in gear or driving down the highway. it was in about two weeks ago and we drove it and when it died we lost fuel pressure and replace fuel pump and reflashed compuiter for p0603. customer said it is still do...
October 04, 2006
1997 Cadillac DeVille 4.6L dies at times VIN: 1G6KD54Y3V
P0603: pcm keep alive memory. ... anytime like idling in gear or driving down the highway. it was in about two weeks ago and we drove it and when it died we lost fuel pressure and replace fuel pump and reflashed compuiter for p0603. customer said it is still do...
October 11, 2006
1997 Cadillac DeVille 4.6L dies at times VIN: 1G6KD54Y3V
P0603: pcm keep alive memory. ... anytime like idling in gear or driving down the highway. it was in about two weeks ago and we drove it and when it died we lost fuel pressure and replace fuel pump and reflashed compuiter for p0603. customer said it is still do...
October 04, 2006
1997 Cadillac DeVille 4.6L dies at times VIN: 1G6KD54Y3V
P0603: pcm keep alive memory. ... anytime like idling in gear or driving down the highway. it was in about two weeks ago and we drove it and when it died we lost fuel pressure and replace fuel pump and reflashed compuiter for p0603. customer said it is still do...
October 11, 2006