Service Buddy
Electrical

Code P0122

Throttle Position Sensor Low Input

Plain English Meaning:Throttle signal too low

⚠️

Yellow: Drive with Caution

Reduced response

What You'll Notice (Symptoms)

  • Loss of power hesitation

Most Common Causes

1TPS failure wiring issue

Verified Repair Playbook

Required Mechanic Tests

A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:

Check signal voltage

Typical Fix Paths & Estimated Costs

Replace TPS $100–$300