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Check engine light on and code P1614

Tiny
MROULET1
  • MEMBER
  • 1999 CADILLAC DEVILLE
  • 4.6L
  • V8
  • 2WD
  • 134,000 MILES
I had codes for a cylinder misfire and running too lean. I then replace the spark plugs and wires along with the mass airflow sensor I cleared the check engine light and the code P1614 turn the check engine light back on. I can’t remember if that was one of the codes before but it doesn't look familiar.
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Wednesday, April 7th, 2021 AT 9:00 AM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This code is not going to be related to the misfire. This code is for the loss of communication with the RIM, radio interference module.

https://www.2carpros.com/articles/how-to-check-wiring

Is the vehicle still acting up like it has a misfire or running poorly? If not, then you will need to test voltages at the RIM to figure out what is missing. It is going to be power, ground, or the communication wires shown below.

Let me know if you have questions on this. Thanks
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Thursday, April 8th, 2021 AT 4:50 PM
Tiny
MROULET1
  • MEMBER
  • 76 POSTS
Well, I found out that the wire to my blower was damaged. But so far so good with the misfire.
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Thursday, April 8th, 2021 AT 9:53 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Sounds great. Thanks for the update. Please let us know if there is anything we can help with in the future.
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Friday, April 9th, 2021 AT 7:06 PM

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