Engine Error
P0122
Throttle Position Sensor (TPS) Circuit Low Input
Severity
Medium
Symptoms
Dead spots in throttle, low power, hesitation
Common Causes
- Short to ground in TPS wiring
- Defective TPS sensor
- Loose sensor mounting
- Faulty PCM
How to Fix
- 1 Replace TPS sensor
- 2 Test sensor ground
- 3 Secure sensor mounting
- 4 Inspect throttle linkage
Estimated Repair Cost
USD
$80
–
$250
TPS sensor: $50 - $120; Labor: $80