Results for “P”
Fault codes 32,087
Results match keywords in the stored descriptions. Codes you typed are shown first.
| Code | Description | Brands | System |
|---|---|---|---|
| P21B6 | Cold start cylinder 1 injection timing | 5 | Powertrain |
| P21B7 | Cold start cylinder 2 injection timing | 5 | Powertrain |
| P21B8 | Cold start cylinder 3 injection timing | 5 | Powertrain |
| P21B9 | Cold start cylinder 4 injection timing | 5 | Powertrain |
| P21BA | Cold start cylinder 5 injection timing | 5 | Powertrain |
| P21BB | Cold start cylinder 6 injection timing | 5 | Powertrain |
| P21BC | Cold start cylinder 7 injection timing | 5 | Powertrain |
| P21BD | Cold start cylinder 8 injection timing | 5 | Powertrain |
| P21BE | Cold start cylinder 9 injection timing | 5 | Powertrain |
| P21BF | Cold start cylinder 10 injection timing | 5 | Powertrain |
Show 15 more matches on this page
| Code | Description | Brands | System |
|---|---|---|---|
| P21C0 | Cold start cylinder 11 injection timing | 5 | Powertrain |
| P21C1 | Cold start cylinder 12 injection timing | 5 | Powertrain |
| P21C2 | Reductant heater relay control circuit/open | 5 | Powertrain |
| P21C3 | Reductant heater relay control circuit low | 5 | Powertrain |
| P21C4 | Reductant heater relay control circuit high | 5 | Powertrain |
| P21C5 | Reductant level sensor 'A' stuck | 14 | Powertrain |
| P21C6 | Reductant level sensor 'B' stuck | 11 | Powertrain |
| P21C7 | Reductant control module power relay/relays control circuit/open | 7 | Powertrain |
| P21C8 | Reductant control module power relay/relays control circuit low | 7 | Powertrain |
| P21C9 | Reductant control module power relay/relays control circuit high | 8 | Powertrain |
| P21CA | Reductant control module supply voltage circuit | 6 | Powertrain |
| P21CB | Reductant control module supply voltage low | 16 | Powertrain |
| P21CC | Reductant control module supply voltage high | 18 | Powertrain |
| P21CD | Reductant quality module supply voltage low | 5 | Powertrain |
| P21CE | Reductant quality module performance | 7 | Powertrain |
| Code | Description | Brands | System |
|---|---|---|---|
| P21C0 | Cold start cylinder 11 injection timing | 5 | Powertrain |
| P21C1 | Cold start cylinder 12 injection timing | 5 | Powertrain |
| P21C2 | Reductant heater relay control circuit/open | 5 | Powertrain |
| P21C3 | Reductant heater relay control circuit low | 5 | Powertrain |
| P21C4 | Reductant heater relay control circuit high | 5 | Powertrain |
| P21C5 | Reductant level sensor 'A' stuck | 14 | Powertrain |
| P21C6 | Reductant level sensor 'B' stuck | 11 | Powertrain |
| P21C7 | Reductant control module power relay/relays control circuit/open | 7 | Powertrain |
| P21C8 | Reductant control module power relay/relays control circuit low | 7 | Powertrain |
| P21C9 | Reductant control module power relay/relays control circuit high | 8 | Powertrain |
| P21CA | Reductant control module supply voltage circuit | 6 | Powertrain |
| P21CB | Reductant control module supply voltage low | 16 | Powertrain |
| P21CC | Reductant control module supply voltage high | 18 | Powertrain |
| P21CD | Reductant quality module supply voltage low | 5 | Powertrain |
| P21CE | Reductant quality module performance | 7 | Powertrain |
Advanced: scanner vehicle and live-data matches
Vehicles 0
No matching vehicles.
Live data 0
No matching live-data parameters.
These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.