Code result
P2ACB
Charge Air Cooler Coolant Temperature Sensor B Circuit Intermittent/Erratic
Moderate severity
What it means
The charge air cooler coolant temperature B sensor signal drops out or jumps intermittently. Loose connector or noisy ground.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Sensor connector not seated
highOne of the most commonly reported causes for this code — check this first.
Noisy ground reference
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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