Results for “P20B”
Fault codes 40
Results match keywords in the stored descriptions. Codes you typed are shown first.
| Code | Description | Brands | System |
|---|---|---|---|
| P20BA13 | AdBlue/DEF supply line heater circuit open | 1 | Powertrain |
| P20BA18 | AdBlue/DEF supply line heater circuit current low | 1 | Powertrain |
| P20BA19 | AdBlue/DEF supply line heater circuit current high | 1 | Powertrain |
| P20BA1A | AdBlue/DEF supply line heater circuit resistance low | 1 | Powertrain |
| P20BA1B | AdBlue/DEF supply line heater circuit resistance high | 1 | Powertrain |
| P20BA4B | AdBlue/DEF supply line heater overheating | 1 | Powertrain |
| P20BA92 | AdBlue/DEF supply line heater circuit short | 1 | Powertrain |
| P20BB00 | AdBlue/DEF heater supply power low | 1 | Powertrain |
| P20BC00 | AdBlue/DEF heater supply power high | 1 | Powertrain |
| P20BE01 | Right O2 sensor before TWC: short circuit to positive / resistance of sensor heater too low | 1 | Powertrain |
Show 5 more matches on this page
| Code | Description | Brands | System |
|---|---|---|---|
| P20BE02 | Right O2 sensor before TWC: short circuit to ground | 1 | Powertrain |
| P20BE04 | Right O2 sensor before TWC: open circuit in sensor heater line | 1 | Powertrain |
| P20BF01 | Left O2 sensor before TWC: short circuit to positive / resistance of sensor heater too low | 1 | Powertrain |
| P20BF02 | Left O2 sensor before TWC: short circuit to ground | 1 | Powertrain |
| P20BF04 | Left O2 sensor before TWC: open circuit in sensor heater line | 1 | Powertrain |
| Code | Description | Brands | System |
|---|---|---|---|
| P20BE02 | Right O2 sensor before TWC: short circuit to ground | 1 | Powertrain |
| P20BE04 | Right O2 sensor before TWC: open circuit in sensor heater line | 1 | Powertrain |
| P20BF01 | Left O2 sensor before TWC: short circuit to positive / resistance of sensor heater too low | 1 | Powertrain |
| P20BF02 | Left O2 sensor before TWC: short circuit to ground | 1 | Powertrain |
| P20BF04 | Left O2 sensor before TWC: open circuit in sensor heater line | 1 | Powertrain |
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These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.