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Code P1669

Tiny
SAEHEYKID
  • MEMBER
  • 2000 LAND ROVER RANGE ROVER
  • AUTOMATIC
  • 168,000 MILES
Hello,

Getting p1669 code. Not sure if it is ECU or ECM.

Can you supply photo of ECM replacement part?
Thursday, August 9th, 2018 AT 10:05 AM

3 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,464 POSTS
That is the code for the ECM cooling fan. It is behind the ECM and draws air through it to cool the ECM if it gets hot. To get to it you need to remove the ECM and the fan is between it and the firewall. The only place I know of to get the replacement is the dealer. The fan is a replaceable item.
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Thursday, August 9th, 2018 AT 12:59 PM
Tiny
SAEHEYKID
  • MEMBER
  • 2 POSTS
Thank you. Is it possible to get a picture to verify? I know its location?
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Thursday, August 9th, 2018 AT 1:24 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,464 POSTS
You remove the screws for the cruise control servo, then the cover over the ECM, pull the ECM out of the clips and the fan will be there. The common issue is that the fan gets full of crud so it does not turn. I would try blowing it out with air first. The two wires to it are brown with pink trace (positive power from fuse 26) and black with pink trace (switched ground from the ECM). To test the fan just apply battery power to those leads with the positive lead to the brown/pink wire.
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Thursday, August 9th, 2018 AT 4:57 PM

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