Code result
P2124
Throttle/Pedal Position Sensor "C" Circuit Low
Moderate severity
What it means
The "C" channel signal is below the lower threshold — usually a short to ground or an open signal wire.
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
Signal shorted to ground
highOne of the most commonly reported causes for this code — check this first.
Signal wire open
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
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