Input an OBD-II fault code search term. Separate multiple searches by commas. P-codes, omit the 'P' if desired. DTC codes, just put the number in. Remember, P-codes are for the engine and emissions systems, B-codes and C-codes are for the chassis and body systems. If you're searching Lambda problems, only the P-codes are relevant.
| Compare (scroll down for submit button) | LP-index | DTC/P-Code | Description | Specific to Manufacturer | Notes |
|---|---|---|---|---|---|
| 75815 | 2AF2 | Nitrogen oxide sensor lambda linear | BMW | ||
| 75814 | 2AF4 | Nitrogen oxide sensor, electric | BMW | ||
| 75816 | 2AF6 | Nitrogen oxide sensor lambda binary | BMW | ||
| 75817 | 30DE | Nitrogen-oxide sensor-oxygen before cat, correlation | BMW | ||
| 75813 | 30E9 | Nitrogen-oxide catalytic convertor ageing | BMW | ||
| 73660 | P1032 / 17440 | Sender for NOx-G295 signal too High | VAG-Audi-VW-Skoda | ||
| 73661 | P1033 / 17441 | Sender for NOx-G295 signal too Low | VAG-Audi-VW-Skoda | ||
| 73670 | P1034 / 17442 | sender for NOx-G295 signal outside tolerance | VAG-Audi-VW-Skoda | ||
| 73671 | P1035 / 17443 | sender for NOx-G295 implausible signal | VAG-Audi-VW-Skoda | ||
| 73662 | P1035 / 17443 | NOx Sensor signal implausible | VAG-Audi-VW-Skoda | Only indicated by ECU warning light. Usually requires NOX sensor replacement. Earlier NOX's suffered from water ingress. Units seem to be lasting 6-7 years in service | |
| 73667 | P1036 / 17444 | heating sender control for NOx short circuit to positive | VAG-Audi-VW-Skoda | ||
| 73668 | P1037 / 17445 | heating sender control for NOx short circuit to earth | VAG-Audi-VW-Skoda | ||
| 73669 | P1038 / 17446 | heating sender control for NOx disruption | VAG-Audi-VW-Skoda | ||
| 73663 | P1069 / 17477 | sender for NOx-G295, heating control signal short circuit to earth | VAG-Audi-VW-Skoda | ||
| 73664 | P1070 / 17478 | sender for NOx-G295, heating control signal short circuit to positive | VAG-Audi-VW-Skoda | ||
| 73665 | P1071 / 17479 | sender for NOx-G295, heating control signal implausible | VAG-Audi-VW-Skoda | ||
| 73659 | P1071 / 17479 | NOx Sensor Heater Control: Implausible Signal, No Signal / Comms | VAG-Audi-VW-Skoda | ||
| 73666 | P1072 / 17480 | sender for NOx-G295, heating control signal electric fault | VAG-Audi-VW-Skoda | ||
| 73839 | P2000 | NOx Trap Eff Below Threshold Bank1 | |||
| 73840 | P2001 | NOx Trap Eff Below Threshold Bank2 | |||
| 74036 | P2200 | NOx Sens Circ Bank1 | |||
| 74037 | P2201 | NOx Sens Circ Range/Perf Bank1 | |||
| 74038 | P2202 | NOx Sens Circ Low Input Bank1 | |||
| 74039 | P2203 | NOx Sens Circ Hi Input Bank1 | |||
| 74040 | P2204 | NOx Sens Circ Interm Input Bank1 | |||
| 74041 | P2205 | NOx Sens Heater Ctrl Circ/Open Bank1 | |||
| 74042 | P2206 | NOx Sens Heater Ctrl Circ Low Bank1 | |||
| 74043 | P2207 | NOx Sens Heater Ctrl Circ Hi Bank1 | |||
| 74044 | P2208 | NOx Sens Heater Sense Circ Bank1 | |||
| 73674 | P2208 | NOx Sens Circ High Input Bank1 | |||
| 74045 | P2209 | NOx Sens Heater Sense Circ Range/Perf Bank1 | |||
| 74046 | P2210 | NOx Sens Heater Sense Circ Low Input Bank1 | |||
| 74047 | P2211 | NOx Sens Heater Sense Circ Hi Input Bank1 | |||
| 73675 | P2211 | NOx Sensor Heater Control Circuit Low Bank 1 | |||
| 74048 | P2212 | NOx Sens Heater Sense Circ Interm Bank1 | |||
| 74049 | P2213 | NOx Sens Circ Bank2 | |||
| 74050 | P2214 | NOx Sens Circ Range/Perf Bank2 | |||
| 74051 | P2215 | NOx Sens Circ Low Input Bank2 | |||
| 74052 | P2216 | NOx Sens Circ Hi Input Bank2 | |||
| 74053 | P2217 | NOx Sens Circ Interm Input Bank2 | |||
| 74054 | P2218 | NOx Sens Heater Ctrl Circ/Open Bank2 | |||
| 74055 | P2219 | NOx Sens Heater Ctrl Circ Low Bank2 | |||
| 74056 | P2220 | NOx Sens Heater Ctrl Circ Hi Bank2 | |||
| 74057 | P2221 | NOx Sens Heater Sense Circ Bank2 | |||
| 74058 | P2222 | NOx Sens Heater Sense Circ Range/Perf Bank2 | |||
| 74059 | P2223 | NOx Sens Heater Sense Circ Low Bank2 | |||
| 74060 | P2224 | NOx Sens Heater Sense Circ Hi Bank2 | |||
| 74061 | P2225 | NOx Sens Heater Sense Circ Interm Bank2 | |||
| 79587 | P22A7 | NOX Sensor Heater Sense (Bank 1 Sensor 2) Circuit / Range Performance | VW NOX sensor requires replacement | ||