Proton fault codes

8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters

Codes 8,866

Code	Description	Brands	System
P33EB	Cell voltage SNS. rationality	2	Powertrain
P33EC	Cell voltage SNS. rationality	3	Powertrain
P33ED	Cell voltage SNS. rationality	3	Powertrain
P33EE	Cell voltage SNS. rationality	3	Powertrain
P33EF	Cell voltage SNS. rationality	3	Powertrain
P33F0	CMU internal fail	3	Powertrain
P33F1	CMU internal fail	2	Powertrain
P33F2	CMU internal fail	2	Powertrain
P33F3	CMU internal fail	2	Powertrain
P33F4	CMU internal fail	2	Powertrain
P33F5	CMU internal fail	2	Powertrain
P33F6	CMU internal fail	2	Powertrain
P33F7	CMU internal fail	2	Powertrain
P33F8	CMU internal fail	2	Powertrain
P33F9	CMU internal fail	2	Powertrain
P33FA	CMU internal fail	3	Powertrain
P33FB	CMU internal fail	2	Powertrain
P33FC	CMU internal fail	2	Powertrain
P3400	Cylinder Deactivation System (Bank 1)	26	Powertrain
P3497	Cylinder Deactivation System (Bank 2)	24	Powertrain
U0001	High Speed CAN Communication Bus	41	Network
U0002	High Speed CAN Communication Bus Performance	34	Network
U0019	Low Speed CAN Communication Bus	28	Network
U0020	Low Speed CAN Communication Bus Performance	26	Network
U0021	Low Speed CAN Communication Bus (+) Open	25	Network
U0022	Low Speed CAN Communication Bus (+) Low	25	Network
U0023	Low Speed CAN Communication Bus (+) High	26	Network
U0024	Low Speed CAN Communication Bus (-) Open	25	Network
U0025	Low Speed CAN Communication Bus (-) Low	25	Network
U0026	Low Speed CAN Communication Bus (-) High	25	Network
U0028	Vehicle Communication Bus A	32	Network
U0029	Vehicle Communication Bus A Performance	27	Network
U0037	Vehicle Communication Bus B	31	Network
U0038	Internal (Master / Slave) CAN bus (SAE bus B): performance; No or incorrect basic setting / adaptation	25	Network
U0044	Vehicle Communication Bus B (-) High	22	Network
U0047	Vehicle Communication Bus C Performance	24	Network
U0051	Vehicle Communication Bus C (-) Open	25	Network
U0055	Vehicle Communication Bus D	26	Network
U0056	Vehicle communication bus D performance	23	Network
U0064	Vehicle Communication Bus E	25	Network
U0065	Vehicle communication bus E performance	22	Network
U0067	Vehicle communication bus E (+) low	22	Network
U0073	Control Module Communication Bus A Off	40	Network
U009C	Lambda/O2 Sensor. / Lambda/O2 Sensor Heater. Bank 1. Sensor 2. - Short Circuit	6	Network
U009E	Sõiduki sidebussi 'J' toimivus	5	Network
U0100	Lost Communication With ECM/PCM A	43	Network
U0101	Lost Communication With Transmission Control Module	42	Network
U0102	Lost Communication With Transfer Case Control Module	35	Network
U0103	Lost Communication With Gear Shift Module	38	Network
U0104	Lost Communication With Cruise Control Module	36	Network

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.