P0124high severityPowertrain
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
on 2002 Chevrolet Express 6.0L V8 Vortec · RWD
What this code means
The TPS signal is intermittent.
Symptoms
- Check Engine Light (intermittent)
- Surging
- Hesitation
- Erratic idle
Common causes
- Loose TPS connector
- Worn TPS
- Wiring chafing
Diagnostic steps
- Wiggle test on TPS connector
- Monitor TPS signal for dropouts
- Inspect wiring
Repair notes
Repair connector or replace TPS.
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P0002
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
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P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1