Check-engine codes
What does my check-engine code mean?
Plain-English explanations for OBD-II trouble codes: what the code means, the most likely causes, symptoms, and how much labour a repair usually takes.
P3 codes · Powertrain (manufacturer / generic)
- P3400Cylinder Deactivation System Bank 1
- P3401Cylinder 1 Deactivation/Intake Valve Control Circuit Open
- P3402Cylinder 1 Deactivation Performance/Stuck Off
- P3403Cylinder 1 Deactivation Stuck On
- P3404Cylinder 1 Deactivation Circuit Low Voltage
- P3405Cylinder 1 Deactivation Circuit High Voltage
- P3406Cylinder 1 Deactivation Stuck Off
- P3407Cylinder 1 Deactivation Stuck On
- P3408Cylinder 1 Deactivation Circuit Low Voltage
- P3409Cylinder 1 Deactivation Circuit High Voltage
- P340ADeactivation/Intake Valve Control Circuit Bank 1
- P340BDeactivation/Intake Valve Control Circuit Bank 2
- P340CDeactivation/Exhaust Valve Control Circuit Bank 1
- P340DDeactivation/Exhaust Valve Control Circuit Bank 2
- P3410Cylinder Deactivation System Bank 2
- P3411Cylinder 2 Deactivation Performance
- P3412Cylinder 2 Deactivation Stuck Off
- P3413Cylinder 2 Deactivation Stuck On
- P3414Cylinder 2 Exhaust Valve Control Circuit/Open
- P3415Cylinder 2 Exhaust Valve Control Circuit Low
- P3416Cylinder 2 Exhaust Valve Control Circuit High
- P3417Cylinder 3 Deactivation/Intake Valve Control Circuit/Open
- P3418Cylinder 3 Deactivation/Intake Valve Control Performance
- P3419Cylinder 3 Deactivation/Intake Valve Control Circuit Low
- P341ADeactivation/Intake Valve Control Circuit Performance Bank 1
- P341BDeactivation/Intake Valve Control Circuit Performance Bank 2
- P341CDeactivation/Exhaust Valve Control Circuit Performance Bank 1
- P341DDeactivation/Exhaust Valve Control Circuit Performance Bank 2
- P3420Cylinder 3 Deactivation/Intake Valve Control Circuit High
- P3421Cylinder 3 Exhaust Valve Control Circuit/Open
- P3422Cylinder 3 Exhaust Valve Control Performance
- P3423Cylinder 3 Exhaust Valve Control Circuit Low
- P3424Cylinder 3 Exhaust Valve Control Circuit High
- P3425Cylinder 3 Deactivation/Intake Valve Control Circuit Open
- P3426Cylinder 4 Deactivation/Intake Valve Control Performance
- P3427Cylinder 4 Deactivation/Intake Valve Control Circuit Low
- P3428Cylinder 4 Deactivation/Intake Valve Control Circuit High
- P3429Cylinder 4 Exhaust Valve Control Circuit/Open
- P3430Cylinder 4 Exhaust Valve Control Performance
- P3431Cylinder 4 Exhaust Valve Control Circuit Low
- P3432Cylinder 4 Exhaust Valve Control Circuit High
- P3433Cylinder 4 Deactivation Performance
- P3434Cylinder 4 Deactivation Stuck Off
- P3435Cylinder 4 Deactivation Stuck On
- P3436Cylinder 5 Exhaust Valve Control Circuit/Open
- P3437Cylinder 5 Exhaust Valve Control Performance
- P3438Cylinder 5 Exhaust Valve Control Circuit Low
- P3439Cylinder 5 Exhaust Valve Control Circuit High
- P3440Cylinder 6 Deactivation/Intake Valve Control Circuit/Open
- P3441Cylinder 5 Deactivation Performance
- P3442Cylinder 6 Deactivation/Intake Valve Control Circuit Low
- P3443Cylinder 6 Deactivation/Intake Valve Control Circuit High
- P3444Cylinder 6 Exhaust Valve Control Circuit/Open
- P3445Cylinder 6 Exhaust Valve Control Performance
- P3446Cylinder 6 Exhaust Valve Control Circuit Low
- P3447Cylinder 6 Exhaust Valve Control Circuit High
- P3448Cylinder 7 Deactivation/Intake Valve Control Circuit/Open
- P3449Cylinder 6 Deactivation Performance
- P3450Cylinder 7 Deactivation/Intake Valve Control Circuit Low
- P3451Cylinder 7 Deactivation/Intake Valve Control Circuit High
- P3452Cylinder 7 Exhaust Valve Control Circuit/Open
- P3453Cylinder 5 Exhaust Valve Control Circuit Low
- P3454Cylinder 6 Exhaust Valve Control Circuit Low
- P3455Cylinder 7 Exhaust Valve Control Circuit Low
- P3456Cylinder 8 Deactivation/Intake Valve Control Circuit/Open
- P3457Cylinder 7 Deactivation
- P3458Cylinder 8 Deactivation/Intake Valve Control Circuit Low
- P3459Cylinder 8 Deactivation/Intake Valve Control Circuit High
- P3460Cylinder 8 Exhaust Valve Control Circuit/Open
- P3461Cylinder 8 Exhaust Valve Control Performance
- P3462Cylinder 8 Exhaust Valve Control Circuit Low
- P3463Cylinder 8 Exhaust Valve Control Circuit High
- P3464Cylinder 8 Exhaust Valve Control Circuit High
- P3465Cylinder 8 Deactivation
- P3466Cylinder Deactivation Hydraulic Circuit Bank 1 Open
- P3467Cylinder Deactivation Hydraulic Circuit Bank 1 Performance
- P3468Cylinder Deactivation Hydraulic Circuit Bank 1 Low
- P3469Cylinder Deactivation Hydraulic Circuit Bank 1 High
- P3470Cylinder Deactivation Hydraulic Circuit Bank 2 Open
- P3471Cylinder Deactivation Hydraulic Circuit Bank 2 Performance
- P3472Cylinder Deactivation Hydraulic Circuit Bank 2 Low
- P3473Cylinder 9 Deactivation
- P3474Cylinder Deactivation Hydraulic Circuit Bank 2 High
- P3475Cylinder Deactivation Oil Pressure Switch Bank 1 Circuit
- P3476Cylinder Deactivation Oil Pressure Switch Bank 1 Performance
- P3477Cylinder Deactivation Oil Pressure Switch Bank 2 Circuit
- P3478Cylinder Deactivation Oil Pressure Switch Bank 2 Performance
- P3479Cylinder Deactivation Solenoid Bank 1 Control Circuit Open
- P3480Cylinder Deactivation Solenoid Bank 2 Control Circuit Open
- P3481Cylinder 10 Deactivation
- P3482Cylinder Deactivation Solenoid Bank 1 Control Circuit Low
- P3483Cylinder Deactivation Solenoid Bank 1 Control Circuit High
- P3484Cylinder Deactivation Solenoid Bank 2 Control Circuit Low
- P3485Cylinder Deactivation Solenoid Bank 2 Control Circuit High
- P3486Cylinder 11 Exhaust Valve Control Circuit Performance
- P3487Cylinder 11 Exhaust Valve Control Circuit Low
- P3488Cylinder 11 Exhaust Valve Control Circuit High
- P3489Cylinder 11 Deactivation
- P3490Cylinder Deactivation System Performance Bank 1
- P3491Cylinder Deactivation System Performance Bank 2
Code data: OBDex open dataset (CC0), reviewed and rewritten for drivers. Always confirm a diagnosis before replacing parts.