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P21 — trouble code series

All codes in the P21 series with descriptions and filters.

34,104codes

59brands

11,613generic

22,491specific

All codes P-codes (Powertrain) B-codes (Body) C-codes (Chassis) U-codes (Network/User) Tesla Alerts

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389 records

P21CB Generic

Reductant Control Module Supply Voltage Low

P — Powertrain P21 Generic

P21CC Generic

Reductant Control Module Supply Voltage High

P — Powertrain P21 Generic

P21CD Generic

Reductant Quality Module Supply Voltage Low

P — Powertrain P21 Generic

P21CE Generic

Reductant Quality Module Performance

P — Powertrain P21 Generic

P21CF Generic

Cylinder 1 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D0 Generic

Cylinder 2 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D1 Generic

Cylinder 3 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D2 Generic

Cylinder 4 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D3 Generic

Cylinder 5 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D4 Generic

Cylinder 6 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D5 Generic

Cylinder 7 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D6 Generic

Cylinder 8 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D7 Generic

Cylinder 9 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D8 Generic

Cylinder 10 Injector B Circuit/Open

P — Powertrain P21 Generic

P21D9 Generic

Cylinder 11 Injector B Circuit/Open

P — Powertrain P21 Generic

P21DA Generic

Cylinder 12 Injector B Circuit/Open

P — Powertrain P21 Generic

P21DB Generic

Cylinder 1 Injector B Circuit Low

P — Powertrain P21 Generic

P21DC Generic

Cylinder 1 Injector B Circuit High

P — Powertrain P21 Generic

P21DD Generic

Reductant Heater A Current Too Low

P — Powertrain P21 Generic

P21DE Generic

Cylinder 2 Injector B Circuit Low

P — Powertrain P21 Generic

P21DF Generic

Cylinder 2 Injector B Circuit High

P — Powertrain P21 Generic

P21E0 Generic

Cylinder 3 Injector B Circuit Low

P — Powertrain P21 Generic

P21E1 Generic

Cylinder 3 Injector B Circuit High

P — Powertrain P21 Generic

P21E2 Generic

Cylinder 4 Injector B Circuit Low

P — Powertrain P21 Generic