P0220
High SeverityThrottle/Pedal Position Sensor B Circuit
Fuel System
P0220 — Instant Answer
Throttle/Pedal Position Sensor B Circuit
Severity: HIGH SEVERITY
Meaning: The secondary TPS (sensor B) has a circuit fault. Modern drive-by-wire systems use two TPS for redundancy.
Safe to drive? NO if CEL is flashing. YES with caution if solid, but repair this week.
Estimated repair cost: $50 - $250
Most common causes:
- 1. Faulty TPS B (35-45% of cases)
- 2. Wiring issue to TPS B (10-25% of cases)
- 3. Faulty throttle body (10-25% of cases)
Symptoms
- ⚠️Reduced power mode
- ⚠️Limp mode
- ⚠️Poor throttle response
- ⚠️Check engine light
Related Symptoms
Common Causes
How to Diagnose P0220
- 1Check throttle body connector
- 2Compare TPS A and TPS B readings
- 3Check wiring for damage
- 4Replace throttle body if integrated
OEM Procedures for P0220
P0220 affects the Throttle Position Sensor. Found 9 OEM service manual procedures.
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Remove/Install/Overhaul - Removal (Tracker)
Replacement - Replace Throttle Position Sensor
Replacement - Replace Throttle Position Sensor
Showing 8 of 9 procedures
OEM Diagnostic Flowchart
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Repair guides, symptom pages, and wiring diagrams related to P0220.
Related Codes
TPS B reading is out of expected range compared to other throttle inputs.
TPS B voltage is too low.
TPS B voltage is above maximum expected.
Frequently Asked Questions
- What is TPS B?
- Modern cars have two throttle position sensors (A and B) for safety. If they disagree, the ECM enters reduced power mode.
- Can I just replace one sensor?
- On most modern cars, both TPS are integrated into the throttle body and must be replaced together.
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Author & Review
Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.
This guide was drafted with AI assistance and reviewed for accuracy by a human editor.
Last updated: 2026-05-07