Error code
OBD2 P2242
OBD2P2242
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Positive Current Control Circuit High.
Severity
moderateCan drive but may experience reduced fuel efficiency and increased emissions.
Summary
P2242 indicates an issue with the positive current control circuit of the heated oxygen sensor (H028) on bank 2, which is part of the engine's emissions monitoring system.
Common Causes
- Wiring short to positive
Fixes
- Repair or replace the faulty wiring in the oxygen sensor circuit.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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