Error code

OBD2 P0226

OBD2P0226
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Throttle/Pedal Position Sensor/Switch 'C' Circuit Range/Performance.

Severity

highDrive with caution; performance issues may occur.

Summary

Code P0226 indicates a problem with the throttle position sensor C or accelerator pedal position sensor C, specifically related to its range and performance. This issue affects drive-by-wire systems where there are no physical connections between the accelerator pedal and the throttle plate.

Symptoms

  • Stored trouble code and illuminated CHECK ENGINE light
  • Visible black smoke from the tail pipe at start up
  • Hard or no-starting conditions
  • Poor acceleration
  • Power loss
  • Rough idling
  • Hesitation or stalling upon acceleration

Common Causes

  • Damaged, short circuited, or corroded wiring and connectors
  • Defective TPS or pedal sensors
  • Mal-adjusted TPS sensors
  • Mechanical wear in the TPS sensor and/or throttle body
  • Carbon deposits in the throttle body impeding movement of the throttle plate

Diagnosis

  1. Check TPS for correct adjustment and replace if necessary.
  2. Inspect all wiring and connectors for damage or corrosion.
  3. Test sensors’ output using a suitable scanner while depressing the pedal slowly.
  4. Clean throttle body of carbon deposits if present.
  5. Replace defective components as identified.

Fixes

  • Replace faulty TPS sensor or pedal position sensor C

FAQ

What does P0226 mean?

P0226 indicates a malfunction in the throttle position sensor C or accelerator pedal position sensor C, affecting its range and performance.

How do I fix P0226?

Fixing P0226 involves checking and adjusting the TPS sensor, inspecting wiring and connectors for damage, testing sensors’ output with a scanner, cleaning the throttle body if necessary, and replacing any defective components.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

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