Subject: | Navigation Radio Clock Loses Time or Becomes Inaccurate |
Models: | 2007-2008 Cadillac Escalade Models |
With Navigation Radio RPO U3R |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Some owners may comment that the navigation radio clock loses time or becomes inaccurate over an extended period of time. This should not be confused with a reset to 12:00, but a loss of up to 2 minutes per month. If a clock reset (12:00) is occurring this document does not apply.
To repair this concern reprogram the radio with the latest calibrations available on TIS2Web.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.