GMC fault codes
Coverage shown is GM data: 17,703 codes · 2,212 vehicle records · 180 ECU records · 10,756 live-data parameters.
GMC shares fault-code data with GM. Data may not cover GMC-specific systems.
Codes 17,703
| Code | Description | Brands | System |
|---|---|---|---|
| P3328 | Motor for Intake Manifold Tuning Flap 2 (V275): Short to Plus | 10 | Powertrain |
| P3332 | Combustion Detection during Deceleration | 12 | Powertrain |
| P3338 | Glow time control driver | 13 | Powertrain |
| P333E | Left Power Sliding Door Hold Open Switch Circuit | 8 | Powertrain |
| P333F | Left Power Sliding Door Object Detection Switch Circuit | 9 | Powertrain |
| P3342 | Cell voltage sensor circuit 1 [114] | 11 | Powertrain |
| P3343 | Cell voltage sensor circuit 1 [115] | 11 | Powertrain |
| P3361 | Misfire detected during Nat.Gas Operation | 11 | Powertrain |
| P3374 | Intake Manifold Change-Over Valve 2: Short to Plus | 10 | Powertrain |
| P3375 | Intake Manifold Change-Over Valve 2: Open or Short to Ground | 10 | Powertrain |
| P3376 | Intake air temperature sensor 3 (G520): signal too low; Lower limit exceeded | 11 | Powertrain |
| P3382 | Cell voltage sensor circuit 2 [046] | 11 | Powertrain |
| P3383 | High Pressure Gas Sensor (G400): Short to Plus | 10 | Powertrain |
| P3389 | Gas Injection Valve 1 (N366): Short to Plus | 10 | Powertrain |
| P3396 | Gas Injection Valve 3 (N368): Short to Ground | 10 | Powertrain |
| P3400 | Cylinder Deactivation System (Bank 1) | 26 | Powertrain |
| P3401 | Cylinder 1 Deactivation/Intake Valve Control Circuit/Open | 25 | Powertrain |
| P3402 | Cylinder 1 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
| P3403 | Cylinder 1 Deactivation/Intake Valve Control Circuit Low | 26 | Powertrain |
| P3404 | Cylinder 1 Deactivation/Intake Valve Control Circuit High | 26 | Powertrain |
| P3405 | Cylinder 1 Exhaust Valve Control Circuit/Open | 22 | Powertrain |
| P3406 | Cylinder 1 Exhaust Valve Control Circuit Performance | 24 | Powertrain |
| P3407 | Cylinder 1 Exhaust Valve Control Circuit Low | 21 | Powertrain |
| P3408 | Cylinder 1 Exhaust Valve Control Circuit High | 23 | Powertrain |
| P3409 | Cylinder 2 Deactivation/Intake Valve Control Circuit/Open | 23 | Powertrain |
| P3410 | Cylinder 2 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
| P3411 | Cylinder 2 Deactivation/Intake Valve Control Circuit Low | 25 | Powertrain |
| P3412 | Cylinder 2 Deactivation/Intake Valve Control Circuit High | 25 | Powertrain |
| P3413 | Cylinder 2 Exhaust Valve Control Circuit/Open | 22 | Powertrain |
| P3414 | Cylinder 2 Exhaust Valve Control Circuit Performance | 22 | Powertrain |
| P3415 | Cylinder 2 Exhaust Valve Control Circuit Low | 22 | Powertrain |
| P3416 | Cylinder 2 Exhaust Valve Control Circuit High | 22 | Powertrain |
| P3417 | Cylinder 3 Deactivation/Intake Valve Control Circuit/Open | 24 | Powertrain |
| P3418 | Cylinder 3 Deactivation/Intake Valve Control Circuit Performance | 23 | Powertrain |
| P3419 | Cylinder 3 Deactivation/Intake Valve Control Circuit Low | 24 | Powertrain |
| P3420 | Cylinder 3 Deactivation/Intake Valve Control Circuit High | 24 | Powertrain |
| P3421 | Cylinder 3 Exhaust Valve Control Circuit/Open | 24 | Powertrain |
| P3422 | Cylinder 3 Exhaust Valve Control Circuit Performance | 25 | Powertrain |
| P3423 | Cylinder 3 Exhaust Valve Control Circuit Low | 23 | Powertrain |
| P3424 | Cylinder 3 Exhaust Valve Control Circuit High | 22 | Powertrain |
| P3425 | Cylinder 4 Deactivation/Intake Valve Control Circuit/Open | 27 | Powertrain |
| P3426 | Cylinder 4 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
| P3427 | Cylinder 4 Deactivation/Intake Valve Control Circuit Low | 24 | Powertrain |
| P3428 | Cylinder 4 Deactivation/Intake Valve Control Circuit High | 24 | Powertrain |
| P3429 | Cylinder 4 Exhaust Valve Control Circuit/Open | 24 | Powertrain |
| P3430 | Cylinder 4 Exhaust Valve Control Circuit Performance | 24 | Powertrain |
| P3431 | Cylinder 4 Exhaust Valve Control Circuit Low | 24 | Powertrain |
| P3432 | Cylinder 4 Exhaust Valve Control Circuit High | 24 | Powertrain |
| P3433 | Cylinder 5 Deactivation/Intake Valve Control Circuit/Open | 24 | Powertrain |
| P3434 | Cylinder 5 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.