Code result
C066D
Service/Park Brake Chamber Pressure Sensor
High severity
What it means
Generic fault on service/park brake chamber pressure sensor — used on air-brake systems with combined service and spring-applied parking brake chamber.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Pressure sensor failed
highOne of the most commonly reported causes for this code — check this first.
Related help
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