I have a 2004 Ram SLT 4.7 liter RWD with just over 160.000 miles. Check engine light is on with no code. ???

Asked by Jul 03, 2015 at 02:23 PM about the 2004 Dodge Ram 1500 SLT Quad Cab LB

Question type: Maintenance & Repair

What does it mean when you have a check engine light  on and scanner finds no code>.

3 Answers

142,885

Then they were doing something wrong with scanner. Trying to use PIDs and not knowing how ..or something. It should at least show "No fault codes found" or no DTC found. .....My scanner shows 'no DTC found' and some read 'end of codes'

142,885

The batteries in the scanner might be dead or maintenance required and CEL are being confused

142,885

Or, I forgot. Fuse for OBDII port blown. Should have thought of that FIRST

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