Need help got check engine codes for c1130 for engine signal 1 and p0603 that one is for loss for ram i need help as want can be my next steps as i dont want to replace the ecu anyone have any ideas what i can do to fix this.
Been going back and forth with mechanic who doesn't know what their doing as I like fixing my car myself
Next time make sure you place title and question in the correct location (I formatted for you). Also, you need to provide more details about your vehicle. See below:
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We need all the information asked for in the first paragraph of this page to even begin to help.
It's a 2006 infiniti m35 with 175k miles
Try the troubleshooting here:
https://www.obd-codes.com/p0603
There are TSB's issued for C1130 so research those.
