Cadillac CTS The mid-sized sedan that has grown the popularity of the Cadillac brand with it's low price and sleek styling

CTS "service power steering" message

  #1  
Old 04-18-2019, 01:22 PM
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Default CTS "service power steering" message

I have an 08 cts4 that has given a "service power steering" message. The fluid level is fine. The steering effort is ok but noticeably higher effort required. Besides the obvious pump or rack malfunction, is there anything ecm or BCM related that I should look at? Thanks.
 
  #2  
Old 04-26-2019, 12:13 AM
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Default Update

Update. It was the alternator going bad. Voltage fluctuating messed with the steering electronics.
 
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