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Engine power reduced

Tiny
RANYRIZK
  • MEMBER
  • 2003 CADILLAC CTS
  • 12,000 MILES
Dear,
the tc light was illuminated and the power engine of my CTS was reduced. My scanner gave these codes:

P0121
P0700
P1779
P1780
P1795

could you help me?
Tuesday, April 3rd, 2012 AT 4:52 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
A cople of these codes are transmission modle related. If your battery is in poor shape you may be getting false codes or you may have a problem with teh trans module or shorted wires. Two fo the codes are throttle related. You might try cleaning yoru throttleplatewith choke cleaner as well as your iac vave and tps switch. Clear your codes and see if they come back. Keep in mind you have two tps switches and will need to clean where then contact on throttle body. Have a trans pro look at the other codes.
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Tuesday, April 3rd, 2012 AT 5:30 PM

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