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2001 Dodge Caravan ECM internal fault

Tiny
MARLINBIL
  • MEMBER
  • 2001 DODGE CARAVAN
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 78,000 MILES
Check engine light on. Went to autozone and they "checked" the code. The code is P0601.
the definition is ECM internal fault
the explaination is ECM unable to communicate on the SPI line.
Probable causes are
1. Shorted input sensor
2. Shorted electrical circuit
3. Failed ECM
The car runs good with no apparent problems.
Anybody experience this and what can be done to solve it?
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Tuesday, October 13th, 2009 AT 8:42 AM

1 Reply

Tiny
CH112063
  • MECHANIC
  • 1,320 POSTS
In some cases yes, but always from Autozone. It may be an internal computer problem. Which one. I think you should have it looked at. If you need parts go to Autozone. If your van has a check engine lamp better to go to a service shop or dealer. The code is more accurate, and it's better to be sure, before replacing a computer. There is quite a difference between a scanner of different prices. OK Check the fuses in the engine compartment and check the transmission fluid.
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Thursday, October 15th, 2009 AT 3:44 PM

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