GM Parts Club
Most sensors, cameras and driver assistance problems announce themselves well before they strand anybody. On a 2020-2023 CT4, these are the ones worth acting on.
1. A lane keep or forward collision system that reports as unavailable after a windshield replacement
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at blind zone modules.
2. A backup camera image that flickers, goes blue, or shows lines
By the time this is obvious you are generally replacing more than one part. Start by looking at front camera modules.
3. A park assist system that disables itself in cold weather and comes back warm
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at park assist sensors.
4. A TPMS light that will not clear after a tire rotation
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at park assist sensors.
What to Do Next
TPMS sensor batteries typically last seven to ten years and are commonly replaced as a set during a tire change.
Painted park assist sensors are ordered in primer and painted to your code. Confirm your paint code before ordering.
Genuine GM parts, dealer priced, shipped from Dallas. our Cadillac OEM parts catalog has the full catalog, or search for CT4 park assist sensors.
Where to Buy
- Genuine Cadillac OEM parts
- Park Assist Sensors
- Backup Cameras
- Blind Zone Modules
- Front Camera Modules
- Wholesale account setup
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