Code result
P2BB7
Engine Coolant Temperature Sensor 6 Range/Performance
Moderate severity
What it means
The ECM detects a range/performance fault on the engine coolant temperature sensor 6. Reading cannot be used reliably for control.
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 characteristic drifted
highOne of the most commonly reported causes for this code — check this first.
Sensor mounting displaced
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
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