Peugeot · Citroën · DS — fault codes starting with P2

Fault codes

481

Block

P2

Make group

Peugeot · Citroën · DS

Source language

English

The 481 Peugeot · Citroën · DS fault codes that start with P2, with descriptions.

P20

Code	Description
P2000	The catalytic converter is defective
P2001	Internal fault in the heater
P2002	Particle filter (Efficiency too low)
P2003	Flame cut-off
P2004	Variable valve lift system fault (Power part of the motor relay)
P2005	Switching of the heater to safety mode
P2006	Internal memory fault
P2007	Internal battery fault
P2008	GSM module fault
P2009	Internal fault in the heater
P200D	Absence of main remote control relay output signal
P200E	Absence of Ignition signal, vehicle moving
P2010	Internal fault in the heater
P2011	Internal fault in the heater
P2012	Internal fault in the heater
P2013	Cutting off of flame with recreation of flame (3) successive switch-offs
P2014	Internal fault in the heater
P2015	Air inlet manifold pressure sensor
P2024	Fuel vapours temperature sensor
P2025	Fuel vapours temperature sensor
P2026	Fuel vapours temperature sensor
P2027	Fuel vapours temperature sensor
P2028	Fuel vapours temperature sensor
P202B	Control of the urea reservoir heating
P202C	Control of the urea reservoir heating
P202D	DeNOx system circuit (Urea pump - gauge module)
P2031	Catalytic converter downstream temperature signal
P2032	Pre-catalyst downstream exhaust gas temperature sensor signal
P2033	Pre-catalyst downstream exhaust gas temperature sensor signal
P203B	Urea fluid level
P203F	Urea solution level
P2043	Urea solution temperature signal
P2044	Urea solution temperature signal
P2046	Urea pump - gauge module (Urea fluid temperature)
P2047	Control of the urea injector
P2048	Control of the urea injector
P2049	Control of the urea injector
P204A	Urea pump - gauge module (Pressure of the urea solution)
P204B	Pressure of the urea fluid
P204E	Pressure of the urea solution
P204F	DeNOx catalytic converter and particle filter assembly damaged
P205B	DeNOx system circuit
P2062	Control of the deNOx system relay
P2063	Control of the deNOx system relay
P2064	Control of the deNOx system relay
P2072	Motorised throttle housing (Air mixer unit)
P2073	Signal between the inlet air pressure sensor and the motorised throttle housing position at idle
P2074	Inlet pressure regulation
P207F	Urea solution
P2080	Particle emission filter upstream temperature sensor fault
P2081	Particle emission filter upstream temperature sensor fault
P2082	In the particle filter differential pressure sensor
P2084	Pre-catalyst downstream exhaust gas temperature sensor signal
P2085	Cat. converter downstream temperature sensor
P2088	Inlet camshaft dephaser
P2089	Inlet camshaft dephaser
P208B	DeNOx system circuit (Urea pump - gauge module)
P208E	DeNOx system circuit
P2090	Exhaust camshaft dephaser
P2091	Exhaust camshaft dephaser
P2096	Correction of the post-catalytic converter mixture
P2097	Correction of the post-catalytic converter mixture
P2098	Downstrean oxygen sensor signal fault (rear pre-cat. converter)
P2099	Downstrean oxygen sensor signal fault (rear pre-cat. converter)
P209F	Urea reservoir heating circuit
P20A2	DeNOx system circuit (Urea pump - gauge module)
P20BA	Control of the urea pipe heating
P20BC	Control of the urea pipe heating
P20CD	Diesel injectors flow fault after correction
P20CE	Diesel injectors flow fault after correction
P20CF	Diesel injectors flow fault after correction
P20D0	Diesel injectors flow fault after correction
P20E8	Pressure of the urea solution
P20E9	Pressure of the urea solution
P20EE	Depollution of the deNOx system (Effectiveness)
P20F6	DeNOx system circuit
P20FF	Engine management ECU

P21

Code	Description
P2100	Motorised throttle housing control (Air mixer unit)
P2101	Motorised throttle housing control (Air mixer unit)
P2102	Motorised throttle housing control (Air mixer unit)
P2103	Motorised throttle housing control (Air mixer unit)
P2104	Motorised throttle housing
P2105	Motorised throttle housing
P2106	Motorised throttle housing
P2107	Motorised throttle housing control (Air mixer unit)
P2109	Programming of the motorised throttle housing lower stop (Air mixer unit)
P2110	Motorised throttle housing
P2111	Motorised throttle housing control (Air mixer unit)
P2112	Motorised throttle housing control (Air mixer unit)
P2118	Control of the air mixer
P2119	Motorised throttle housing
P2120	Inlet air heater circuit
P2121	Throttle position sensor signal fault (Signal 2)
P2122	Position of the accelerator pedal, signal 1
P2123	Position of the accelerator pedal, signal 1
P2124	Accelerator pedal position sensor signal
P2125	Air mixer unit
P2126	Air mixer unit
P2127	Position of the accelerator pedal, signal 2
P2128	Position of the accelerator pedal, signal 2
P2129	Measurement of the air mixer position
P2130	Lack of coherence between the speed limiter point
P2131	Accelerator pedal hard point switch signal
P2132	Accelerator pedal point of resistance switch signal fault
P2133	Accelerator pedal point of resistance switch signal fault
P2134	Accelerator pedal point of resistance switch signal fault
P2135	Position sensor of the motorised throttle housing (Air mixer unit)
P2136	Motorised butterfly fault: incoherence of signals 1 and 2
P2137	Accelerator pedal position signals
P2138	Accelerator pedal position signals
P213A	EGR valve stuck open during driving
P213B	EGR valve position
P2140	Accelerator pedal position sensor signal
P2141	Control of the air mixer
P2142	Control of the air mixer
P2143	Control of the EGR valve
P2144	Control of the EGR valve
P2145	Control of the EGR valve
P2146	Injectors control
P2147	Bank No 1 of fuel injectors
P2148	Bank No 1 of fuel injectors
P2149	Injectors control
P2150	Bank No 2 of fuel injectors
P2151	Bank No 2 of fuel injectors
P2154	Bank No 3 of fuel injectors
P215A	Vehicle speed information
P2162	Gearbox input speed signal fault
P2163	Programming of the motorised throttle housing upper stop (Air mixer unit)
P2173	Motorised throttle housing (Air mixer unit)
P2175	Motorised throttle housing (Air mixer unit)
P2176	Motorised throttle housing (Air mixer unit)
P2177	Mixture regulation
P2178	Mixture regulation
P2179	Richness regulation at limit (rear cylinder bank)
P2180	Richness regulation at limit (rear cylinder bank)
P2181	Engine cooling system
P2182	Engine temperature signal
P2184	Engine coolant temperature signal
P2185	Engine coolant temperature signal
P2187	Mixture in the circuit
P2188	Mixture in the circuit
P2191	Mixture regulation
P2192	Mixture regulation
P2193	Oxygen sensor signal
P2194	Richness regulation at limit (rear cylinder bank)
P2195	Upstream oxygen sensor signal
P2196	Upstream oxygen sensor signal
P2197	Oxygen sensor signal
P2199	Inlet air temperature signal (air inlet manifold)
P219A	Air/fuel ratio of the cylinders
P219C	Air/fuel ratio of cylinder 1
P219D	Air/fuel ratio of cylinder 2
P219E	Air/fuel ratio of cylinder 3
P219F	Air/fuel ratio of cylinder 4
P21C5	Urea solution level signal
P21CF	Cylinder 1 petrol injector
P21D0	Cylinder 2 petrol injector
P21D1	Cylinder 3 petrol injector

P22

Code	Description
P2200	NOx sensor
P2201	Upstream NOx sensor (NOx information signal)
P2202	Upstream NOx sensor (Heating of the NOx sensor)
P2204	Upstream NOx sensor (NOx information signal)
P2207	Upstream NOx sensor (Heating of the NOx sensor)
P220A	Upstream NOx sensor (NOX sensor supply)
P220B	Downstream NOx sensor (NOX sensor supply)
P220E	Upstream oxygen sensor (Oxygen sensor heating)
P220F	Downstream oxygen sensor (Oxygen sensor heating)
P2211	Defective vehicle speed signal
P2226	Atmospheric pressure sensor
P2227	Atmospheric pressure sensor
P2228	Atmospheric pressure sensor
P2229	Atmospheric pressure sensor
P2230	Atmospheric pressure sensor
P2231	Upstream oxygen sensor signal
P2232	Downstream oxygen sensor
P2234	Oxygen sensor heating control
P2237	Upstream oxygen sensor load resistance fault
P2238	Oxygen sensor supply fault
P2239	Oxygen sensor supply fault
P223C	Upstream oxygen sensor signal
P2243	Upstream oxygen sensor
P2244	Upstream oxygen sensor
P2245	Mixture in the circuit
P2246	Upstream oxygen sensor signal
P2248	Oxygen sensor heating
P2251	Upstream oxygen sensor pump current signal fault
P2252	Upstream oxygen sensor signal or downstream oxygen sensor signal fault
P2253	Upstream oxygen sensor signal or downstream oxygen sensor signal fault
P2261	Turbine discharge electrovalve
P2262	Turbocharging air circuit
P2263	Turbocharging pressure regulation fault
P2264	Water in diesel sensor
P2265	Water in fuel sensor signal
P2266	Presence of water in fuel
P2267	Water in fuel sensor
P2268	Presence of water in fuel
P2269	Water-in-fuel presence fault
P226B	Air turbocharging pressure
P226D	Particle emission filter faulty
P2270	Downstream oxygen sensor signal
P2271	Downstream oxygen sensor signal
P2279	Turbocharging air circuit
P227B	Atmospheric pressure sensor
P2286	Fuel flow regulation
P2288	Fuel flow regulation
P2289	Fuel flow regulation
P2291	Starting monitoring
P2293	Fuel high pressure monitoring
P2294	Fuel pressure regulator
P2295	Fuel flow regulator
P2296	Fuel flow regulator
P2297	Oxygen sensor heating
P2299	Accelerator pedal position sensor signal
P229F	Downstream NOx sensor (NOx information signal)
P22A0	Downstream NOx sensor (Heating of the NOx sensor)
P22A2	Downstream NOx sensor (NOx information signal)
P22A5	Downstream NOx sensor (Heating of the NOx sensor)
P22D9	Control of the cylinder 1 fuel injector
P22DA	Control of the cylinder 1 fuel injector
P22DB	Control of the cylinder 1 fuel injector
P22DC	Control of the cylinder 1 fuel injector
P22DD	Control of the cylinder 2 fuel injector
P22DE	Control of the cylinder 2 fuel injector
P22DF	Control of the cylinder 2 fuel injector
P22E0	Control of the cylinder 2 fuel injector
P22E1	Control of the cylinder 3 fuel injector
P22E2	Control of the cylinder 3 fuel injector
P22E3	Control of the cylinder 3 fuel injector
P22E4	Control of the cylinder 3 fuel injector

P23

Code	Description
P2300	Cylinder 1 ignition coil control
P2301	Ignition coil cylinder 1
P2303	Cylinder 2 ignition coil control
P2304	Ignition coil cylinder 2
P2306	Cylinder 3 ignition coil control
P2307	Ignition coil cylinder 3
P2309	Cylinder 4 ignition coil control
P2310	Cylinder 4 ignition coil control
P2336	Detection of super knock cylinder no. 1
P2337	Detection of super knock cylinder no. 2
P2338	Detection of super knock cylinder no. 3
P2339	Detection of super knock cylinder no. 4

P24

Code	Description
P2400	Exhaust Heat Recovery recirculation pump
P2401	Fuel vapour leak measuring device pump control circuit
P2408	Additive system
P2409	GPS module fault
P240A	Fuel vapour leak measuring device pump heater control circuit
P2413	EGR valve circuit clogged
P2414	Upstream oxygen sensor signal
P2418	Control of the exhaust heat saver actuator
P2419	Fuel tank isolation solenoid valve control circuit
P2420	Control of the exhaust heat saver actuator
P2421	Canister purge solenoid valve
P2422	Canister purge solenoid valve
P2425	EGR exchanger bypass control
P2426	EGR exchanger bypass control
P2427	EGR exchanger bypass control
P2428	EGR exchanger bypass control
P242A	In the temperature sensor upstream of the turbine
P242B	Temperature of the exhaust gas upstream of the turbocharger
P242C	Temperature of the exhaust gas upstream of the turbocharger
P242D	Temperature of the exhaust gas upstream of the turbocharger
P242E	Exhaust high temperature sensor
P242F	Particle filter
P2448	Air inlet circuit (Air flow)
P244A	Particle filter
P244B	Particle filter (Differential pressure too high)
P244C	Particle emission filter upstream temperature sensor fault
P244D	Particle emission filter upstream temperature sensor fault
P2452	Particle emission filter differential pressure sensor signal (Plausibility)
P2453	Particle filter differential pressure sensor
P2454	Particle filter differential pressure sensor
P2455	Particle filter differential pressure sensor
P2456	Particle emission filter differential pressure sensor fault in cold conditions
P2457	EGR exchanger bypass control
P2458	Regeneration time too long
P2459	Particle filter regeneration
P245B	Engine management ECU (Control of the EGR exchanger bypass)
P2462	Turbocharger solenoid valve position sensor fault
P2463	Particulate emission filter overloaded
P246B	Particle filter (Arduous use)
P246C	Particle filter clogged
P2493	EGR exchanger bypass position signal
P2494	EGR exchanger bypass position signal
P2495	EGR exchanger bypass position signal
P249E	Depollution of the deNOx system
P24A4	Particle filter blocked
P24A5	EGR heat exchanger by-pass
P24AE	Soot sensor
P24AF	Soot sensor
P24BD	Fuel vapour leak measuring device pump solenoid valve control circuit
P24BE	Fuel vapour leak measuring device pump solenoid valve control circuit
P24BF	Fuel vapour leak measuring device pump solenoid valve control circuit
P24D1	Soot sensor self-cleaning incomplete

P25

Code	Description
P2502	Charging circuit voltage
P2505	Ignition positive supply
P250A	Engine oil level sensor signal
P250B	Engine oil level
P250C	Oil level sensor signal
P250D	Oil level sensor signal
P250E	Oil level sensor
P2510	Power relay
P2519	Air conditioning relay control fault
P2520	Cooling pressure signal
P2521	Cooling pressure signal
P252F	Oil level fault
P2530	Reawakening of the ECU controlled remotely
P2531	Ignition positive supply fault
P2533	Reawakening of the ECU controlled remotely
P2537	Signal "plus accessoires"
P2539	Low pressure fuel circuit fuel pressure sensor signal
P253F	Oil dilution detected fault
P2540	Low pressure fuel circuit fuel pressure sensor signal
P2541	Low pressure fuel circuit fuel pressure sensor signal
P2542	Low pressure fuel circuit fuel pressure sensor signal
P2562	Position of the turbocharger
P2563	Position of the turbocharger
P2564	Turbocharger position signal
P2565	Turbocharger position signal
P2566	Turbocharger position signal
P2583	Distance alert information
P2585	Multiplexed additive pump
P2586	Turbo actuator 2 (Bumper side)
P2587	Turbo actuator 2 (Bumper side)
P2588	Repeat of turbo actuator position 2 (Bumper side)
P2589	Repeat of turbo actuator position 2 (Bumper side)
P258C	Vacuum Pump Control Circuit Low
P258D	Vacuum Pump Control Circuit High
P258F	Request for engine torque and engine speed transmitted by the automatic gearbox
P2590	Turbo actuator 2 (Bumper side)
P2598	Turbocharger position signal
P2599	Turbocharger position signal
P25B0	Fuel level sensor signal

P26

Code	Description
P2600	Electric coolant pump
P2601	(Electric) turbo additional coolant pump control fault
P2602	Turbo cooling coolant pump control
P2603	Turbo cooling coolant pump control
P2608	On the electrical circuit of the metering pump
P2609	Internal fault in the heater
P260A	Internal fault in the heater
P260B	On the electrical circuit of the coolant pump
P260C	Absence of vehicle speed information signal
P260E	Lighting of the particle emission filter warning lamp
P2610	Internal counter for ECUs in dormant mode
P2617	Camshaft position sensor
P2618	Camshaft position sensor
P2619	Camshaft position sensor
P2620	Motorised throttle position sensor signal
P2622	Oxygen sensor
P2626	Upstream oxygen sensor pump current signal fault
P2632	Fuel low pressure supply pump relay
P2633	Fuel low pressure supply pump relay
P2634	Fuel low pressure supply pump relay
P2635	Low pressure fuel pump
P2636	Fuel low pressure supply pump relay
P263B	Mil lamp
P264F	Inconsistency between the module identifiers
P265F	Air conditioning compressor control
P2669	Sensors No 2 5 volt electrical supply
P2670	Sensors No 2 5 volt electrical supply
P2671	Sensors No 2 5 volt electrical supply
P2681	Control of the motorised coolant outlet housing
P2682	Control of the motorised coolant outlet housing
P2683	Control of the motorised coolant outlet housing
P2684	Sensors No 3 5 volt electrical supply
P2685	Sensors No 3 5 volt electrical supply
P2686	Sensors No 3 5 volt electrical supply
P2687	Control of the fuel heater
P2688	Control of the fuel heater
P2689	Control of the fuel heater
P269A	Control of the urea injector
P26A4	Position of the motorised coolant outlet housing
P26A5	Motorised coolant outlet housing position sensor signal
P26CA	Engine cooling system electric coolant pump
P26CB	Start the control
P26CC	Waterpump of the drive train cooling circuit
P26CD	Waterpump of the drive train cooling circuit
P26CE	Electric coolant pump (deprimed)
P26D2	Electric coolant pump(Overheating)
P26D3	Communication with the electric oil pump inside the hybrid automatic gearbox
P26D4	Communication with the electric oil pump inside the hybrid automatic gearbox
P26D5	Communication with the electric oil pump inside the hybrid automatic gearbox
P26E4	Control of the starter
P26E5	Starter relay Short circuit to earth
P26E6	Starter relay Short-circuit to positive
P26FD	Air conditioning compressor internal control

P27

Code	Description
P2707	Gearbox hydraulic or mechanical fault
P2711	Automatic gearbox information
P2712	Oil pressure deficit fault
P2714	Control of the clutch pressure modulating solenoid valve C4
P2715	Clutch C2 pressure modulating electrovalve
P2718	Clutch actuator 1
P2719	Clutch actuator 1
P2720	Clutch actuator 1
P2721	Clutch actuator 1
P2723	Control of the brake pressure modulating solenoid valve B1
P2724	Clutch C3 pressure modulating electrovalve
P2727	Clutch actuator 2
P2728	Clutch actuator 2
P2729	Clutch actuator 2
P2730	Clutch actuator 2
P2732	Control of the brake pressure modulating solenoid valve B2
P2733	Clutch position sensor 1
P2736	Clutch position sensor 1
P2738	Clutch position sensor 1
P2739	Clutch position sensor 1
P2742	Oil temperature signal B
P2743	Oil temperature signal B
P2753	Clutch cooling pump actuator
P2761	Control of the converter lock-up pressure modulation solenoid valve
P2762	"SLU" solenoid locking fault (Control of the converter or lock-up)
P2763	On the control circuit of the "SLU" solenoid valve (Control of the converter or lock-up)
P2764	On the control circuit of the "SLU" solenoid valve (Control of the converter or lock-up)
P2765	Gearbox input speed sensor
P2766	Gearbox input speed signal 2
P2775	One-touch control switch S1
P2776	One-touch control signal fault
P2777	One-touch control signal fault
P2779	Sequential signal - or sensor fault
P2780	Sequential signal - or sensor fault
P2781	Sequential signal - or sensor fault
P2782	One-touch control switch S2
P2783	Automatic gearbox oil temperature
P2785	Clutch actuator position check fault
P2786	Gear change actuator control
P2787	Overheating of the clutch
P278B	Accelerator pedal sitff point signal
P278C	Accelerator pedal sitff point signal
P278D	Accelerator pedal sitff point signal
P278E	Accelerator pedal sitff point signal
P2799	In communication with the immobiliser control module Incorrect code, key not recognised, incorrect
P27A7	Front electric drive machine ECU

P28

Code	Description
P2800	Gear lever position sensor
P2805	Gear lever position sensor
P2807	Control of the line pressure modulation solenoid valve
P2808	Control of the line pressure modulation solenoid valve
P2809	Clutch position sensor 2
P2812	Control of the line pressure modulation solenoid valve
P2814	Control of the line pressure modulation solenoid valve
P2815	Control of the line pressure modulation solenoid valve
P2816	Control of the line pressure modulation solenoid valve
P2817	Control of the converter lock-up pressure modulation solenoid valve
P2818	On the electrical circuit of the metering pump
P2819	Internal fault in the heater
P281A	Internal fault in the heater
P281B	Control of the converter lock-up pressure modulation solenoid valve
P281D	Control of the converter lock-up pressure modulation solenoid valve
P281E	Control of the converter lock-up pressure modulation solenoid valve
P2853	Steering wheel heating
P2855	Steering wheel heating
P2871	Hybrid automatic gearbox internal clutch
P2872	Hybrid automatic gearbox internal clutch
P28CC	Clutch position sensor
P28CD	Steering wheel heating
P28CE	Steering wheel heating
P28CF	Invalid values received from the front electric drive machine ECU
P28D0	Steering wheel heating
P28ED	Electric oil pump overspeed
P28EE	Electric oil pump underspeed

P2A

Code	Description
P2A00	Upstream NOx sensor (Oxygen information signal)
P2A01	Downstream NOx sensor (Oxygen information signal)
P2A05	ECU supply voltage fault

P2B

Code	Description
P2B29	Traction battery cells
P2B2A	Traction battery cells
P2B85	Electric coolant pump
P2B96	Injection problem during heating of the catalytic converter
P2BA2	Electric coolant pump
P2BA9	DeNOx catalyser
P2BAD	DeNOx catalyser

P2C

Code	Description
P2C00	Supply voltage too high
P2C04	ECU supply voltage fault
P2C07	Overheating
P2C67	Hybrid drive train cooling circuit electric coolant pump
P2C68	Hybrid drive train cooling circuit electric coolant pump
P2C72	Hybrid drive train cooling circuit electric coolant pump
P2C85	Isolation of the power voltage in relation to the internal or external traction battery earth
P2C86	Isolation of the power voltage in relation to the internal traction battery earth
P2C95	Traction battery internal power switches control circuit
P2CFC	Air conditioning compressor clutch control circuit

P2D

Code	Description
P2D9E	Traction battery charge status
P2DD9	Fuel vapour leak measuring device pump
P2DF2	Variable valve lift intake system

Other blocks

• P1FPrevious block
• All blocksPeugeot · Citroën · DS
• P3Next block

Makes that use these codes

• Peugeot63 models
• Citroën47 models
• DS8 models

Code descriptions are shown in their source language; records without a translation stay raw. Source: CarCoding fault code database.