Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 GMC Yukon XL, 2017 GMC Yukon, 2017 Chevrolet Tahoe, 2017 Chevrolet Suburban 3500 HD, and 2017 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
P0815 - Condition 1
The BCM detects a stuck ON Tap Up switch for 1 second in Park or Neutral.
P0815 - Condition 2
The BCM detects a stuck ON Tap Up switch for 10 minutes in any forward gear.
P0816 - Condition 1
The BCM detects a stuck ON Tap Down switch for 1 second in Park or Neutral.
P0816 - Condition 2
The BCM detects a stuck ON Tap Down switch for 10 minutes in any forward gear.
P0826
The BCM detects an invalid voltage on the TAP up/down signal circuit for 1 minute.
P1876
The BCM detects a TAP Enable Switch request 3 times when not in M (D6) range for 2 seconds.