P34xx OBD2 Trouble Codes

This is the listing of P3000-P3499 OBD2 diagnostic trouble codes (DTCs). They almost all start with P34, e.g., P3400, P342F. The first three characters P34 indicate that they are generic powertrain related codes. The codes below are considered generic because they apply to all makes/models of OBD2 vehicles, although specific diagnosis & repair steps may vary.

P3400-P3499 Trouble Codes

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Code(s)Description
P3000Manufacturer Controlled DTC
P3100Manufacturer Controlled DTC
P3200Manufacturer Controlled DTC
P3300Manufacturer Controlled DTC
P3400Cylinder Deactivation System Bank 1
P3401Cylinder 1 Deactivation/Intake Valve Control Circuit/Open
P3402Cylinder 1 Deactivation/Intake Valve Control Circuit Performance
P3403Cylinder 1 Deactivation/Intake Valve Control Circuit Low
P3404Cylinder 1 Deactivation/Intake Valve Control Circuit High
P3405Cylinder 1 Exhaust Valve Control Circuit/Open
P3406Cylinder 1 Exhaust Valve Control Circuit Performance
P3407Cylinder 1 Exhaust Valve Control Circuit Low
P3408Cylinder 1 Exhaust Valve Control Circuit High
P3409Cylinder 2 Deactivation/Intake Valve Control Circuit/Open
P340A, P340B, P340C, P340D, P340E, P340FISO/SAE Reserved
P3410Cylinder 2 Deactivation/Intake Valve Control Circuit Performance
P3411Cylinder 2 Deactivation/Intake Valve Control Circuit Low
P3412Cylinder 2 Deactivation/Intake Valve Control Circuit High
P3413Cylinder 2 Exhaust Valve Control Circuit/Open
P3414Cylinder 2 Exhaust Valve Control Circuit Performance
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 Circuit Performance
P3419Cylinder 3 Deactivation/Intake Valve Control Circuit Low
P341A, P341B, P341C, P341D, P341E, P341FISO/SAE Reserved
P3420Cylinder 3 Deactivation/Intake Valve Control Circuit High
P3421Cylinder 3 Exhaust Valve Control Circuit/Open
P3422Cylinder 3 Exhaust Valve Control Circuit Performance
P3423Cylinder 3 Exhaust Valve Control Circuit Low
P3424Cylinder 3 Exhaust Valve Control Circuit High
P3425Cylinder 4 Deactivation/Intake Valve Control Circuit/Open
P3426Cylinder 4 Deactivation/Intake Valve Control Circuit Performance
P3427Cylinder 4 Deactivation/Intake Valve Control Circuit Low
P3428Cylinder 4 Deactivation/Intake Valve Control Circuit High
P3429Cylinder 4 Exhaust Valve Control Circuit/Open
P342A, P342B, P342C, P342D, P342E, P342F ISO/SAE Reserved
P3430Cylinder 4 Exhaust Valve Control Circuit Performance
P3431Cylinder 4 Exhaust Valve Control Circuit Low
P3432Cylinder 4 Exhaust Valve Control Circuit High
P3433Cylinder 5 Deactivation/Intake Valve Control Circuit/Open
P3434Cylinder 5 Deactivation/Intake Valve Control Circuit Performance
P3435Cylinder 5 Deactivation/Intake Valve Control Circuit Low
P3436Cylinder 5 Deactivation/Intake Valve Control Circuit High
P3437Cylinder 5 Exhaust Valve Control Circuit/Open
P3438Cylinder 5 Exhaust Valve Control Circuit Performance
P3439Cylinder 5 Exhaust Valve Control Circuit Low
P343A, P343B, P343C, P343D, P343E, P343FISO/SAE Reserved
P3440Cylinder 5 Exhaust Valve Control Circuit High
P3441Cylinder 6 Deactivation/Intake Valve Control Circuit/Open
P3442Cylinder 6 Deactivation/Intake Valve Control Circuit Performance
P3443Cylinder 6 Deactivation/Intake Valve Control Circuit Low
P3444Cylinder 6 Deactivation/Intake Valve Control Circuit High
P3445Cylinder 6 Exhaust Valve Control Circuit/Open
P3446Cylinder 6 Exhaust Valve Control Circuit Performance
P3447Cylinder 6 Exhaust Valve Control Circuit Low
P3448Cylinder 6 Exhaust Valve Control Circuit High
P3449Cylinder 7 Deactivation/Intake Valve Control Circuit/Open
P344A, P344B, P344C, P344D, P344E, P344FISO/SAE Reserved
P3450Cylinder 7 Deactivation/Intake Valve Control Circuit Performance
P3451Cylinder 7 Deactivation/Intake Valve Control Circuit Low
P3452Cylinder 7 Deactivation/Intake Valve Control Circuit High
P3453Cylinder 7 Exhaust Valve Control Circuit/Open
P3454Cylinder 7 Exhaust Valve Control Circuit Performance
P3455Cylinder 7 Exhaust Valve Control Circuit Low
P3456Cylinder 7 Exhaust Valve Control Circuit High
P3457Cylinder 8 Deactivation/Intake Valve Control Circuit/Open
P3458Cylinder 8 Deactivation/Intake Valve Control Circuit Performance
P3459Cylinder 8 Deactivation/Intake Valve Control Circuit Low
P345A, P345B, P345C, P345D, P345E, P345FISO/SAE Reserved
P3460Cylinder 8 Deactivation/Intake Valve Control Circuit High
P3461Cylinder 8 Exhaust Valve Control Circuit/Open
P3462Cylinder 8 Exhaust Valve Control Circuit Performance
P3463Cylinder 8 Exhaust Valve Control Circuit Low
P3464Cylinder 8 Exhaust Valve Control Circuit High
P3465Cylinder 9 Deactivation/Intake Valve Control Circuit/Open
P3466Cylinder 9 Deactivation/Intake Valve Control Circuit Performance
P3467Cylinder 9 Deactivation/Intake Valve Control Circuit Low
P3468Cylinder 9 Deactivation/Intake Valve Control Circuit High
P3469Cylinder 9 Exhaust Valve Control Circuit/Open
P346A, P346B, P346C, P346D, P346E, P346FISO/SAE Reserved
P3470Cylinder 9 Exhaust Valve Control Circuit Performance
P3471Cylinder 9 Exhaust Valve Control Circuit Low
P3472Cylinder 9 Exhaust Valve Control Circuit High
P3473Cylinder 10 Deactivation/Intake Valve Control Circuit/Open
P3474Cylinder 10 Deactivation/Intake Valve Control Circuit Performance
P3475Cylinder 10 Deactivation/Intake Valve Control Circuit Low
P3476Cylinder 10 Deactivation/Intake Valve Control Circuit High
P3477Cylinder 10 Exhaust Valve Control Circuit/Open
P3478Cylinder 10 Exhaust Valve Control Circuit Performance
P3479Cylinder 10 Exhaust Valve Control Circuit Low
P347A, P347B, P347C, P347D, P347E, P347FISO/SAE Reserved
P3480Cylinder 10 Exhaust Valve Control Circuit High
P3481Cylinder 11 Deactivation/Intake Valve Control Circuit/Open
P3482Cylinder 11 Deactivation/Intake Valve Control Circuit Performance
P3483Cylinder 11 Deactivation/Intake Valve Control Circuit Low
P3484Cylinder 11 Deactivation/Intake Valve Control Circuit High
P3485Cylinder 11 Exhaust Valve Control Circuit/Open
P3486Cylinder 11 Exhaust Valve Control Circuit Performance
P3487Cylinder 11 Exhaust Valve Control Circuit Low
P3488Cylinder 11 Exhaust Valve Control Circuit High
P3489Cylinder 12 Deactivation/Intake Valve Control Circuit/Open
P348A, P348B, P348C, P348D, P348E, P348FISO/SAE Reserved
P3490Cylinder 12 Deactivation/Intake Valve Control Circuit Performance
P3491Cylinder 12 Deactivation/Intake Valve Control Circuit Low
P3492Cylinder 12 Deactivation/Intake Valve Control Circuit High
P3493Cylinder 12 Exhaust Valve Control Circuit/Open
P3494Cylinder 12 Exhaust Valve Control Circuit Performance
P3495Cylinder 12 Exhaust Valve Control Circuit Low
P3496Cylinder 12 Exhaust Valve Control Circuit High
P3497Cylinder Deactivation System Bank 2
P3498 - P34FF, P3500, P3600, P3700, P3800, P3900, P3A00, P3B00, P3C00, P3D00, P3E00, P3F00ISO/SAE Reserved