dashboard display

115,050 MILES • 4.9L • V8 • 2WD • AUTOMATIC
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RONTHE3RDEDITION
  • MEMBER
  • 1 POST
the letter c and d appear on gas gauge and A/V heater display.
Jan 7, 2020 at 6:57 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

Can you post a picture of what you see to this post?

As far as the displays, they are controlled by the BCM or body control module. I attached diagrams and a flow chart for you to follow to determine the failure. The most common cause was the BCM.

Roy
Jan 8, 2020 at 5:05 AM
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