Error code
OBD2 P2202
OBD2P2202
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
NOx Sensor Circuit Low Input.
Severity
moderateCan drive, but emissions may be affected.
Summary
P2202 indicates a low input signal from the NOx sensor on bank 1 of the engine.
Common Causes
- Wiring short to ground
Fixes
- Inspect and repair wiring issues related to the NOx sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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