Welcome to the Nissan Check Engine Light codes page. Below you will find the most complete list of Nissan trouble codes available. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? We have a large number of resources to help you repair the problem. Here is how we suggest you proceed. Look up your code definition. This tells you where to start testing. If you are unsure of any abbreviations, check out the acronym list by clicking on the link at the left.

• Obd Codes List
• Trouble Codes For Nissan Maxima
• 2003 Nissan Maxima Reviews
• Nissan Obd Location

3 2003 Nissan Maxima owners reviewed the 2003 Nissan Maxima with a rating of 4.3 overall out of 5. OBD Codes; Car Care Advice; Car Parts; Car Research. Common Problems; Car Reviews. 2003 Nissan Maxima Reviews & Ratings Read real experiences from 2003 Nissan Maxima owners like you.

Next, read our article Automotive Circuit Testing 101, and if there is an article related to the system you are testing, such as Oxygen Sensors or EGR concerns, read these as well. They will provide valuable info! If there is a link to a specific diagnosis strategy for the code then follow that and start testing. If there is no procedure for your manufacturer specific code, then I suggest referring to a similar generic OBD II code (these are listed numerically by system type) to get a good idea of what to look for.

2003 Nissan Altima Sedan OBDII Codes List. P0011 2003 NISSAN ALTIMA SEDAN 15,562 Views. Nissan Maxima; Nissan Pathfinder; Nissan Rogue; Nissan Sentra; Toyota Camry; Toyota Corolla; Toyota Highlander; Toyota Prius; Scion xB; All OBDII Codes. Powertrain (P) Codes; Network (U) Codes; Body (B) Codes. Jul 03, 2012  OBD-II Codes P0442 and P1456. I have a 2003 Maxima SE and pulled 2 codes off. I have codes P0442 and P1456. I have a 2003 nissan maxima.it pulled off 2 codes p1456 and p0442 Does any one knows what to do.thanks. OBDII Code P1456 NISSAN - Evaporative Emission Control System Leak Detected Small Leak. The first step to read the codes is setting the ECM in Diagnostic Test Mode II. Once the ECM is in Diagnostic Test Mode II, the 'Service Engine Soon' warning light will start flashing. Count to flashes to determine the code A particular trouble code can be identified by the number of four-digit numeral flashes. Nissan OBDII Trouble Codes Definition, Description and Repair Information: 1995-1999 Nissan Maxima Knock Sensor Replacement Video 2000-2001 Nissan Maxima IAC Valve Replacement Procedure Video 2004-2006 Nissan Maxima O2 Sensor Identification and Location 1996-2003 Nissan Maxima O2 Sensor Identification and Location. Hi all, I'm not any kind of technician, but I'm real good with the bolts springs and gaskets bit. My question is, will a bad o2 sensor cause random misfire in this 2003 nissan maxima? I got some code that made it seem the o2 sensor in bank 2 might be the problem. Anyone tell me how many o2 sensors this car has? And how hard to replace? READING DIAGNOSTIC CODES. The Electronic Control Unit (ECU) monitors several engine sensors and actuators. If a problem occurs the information is stored in the ECU’s memory for retrieval. The codes are displayed by the red diode on the ECU. The codes are interpreted by the number of times and duration the diode flashes.

If at this point you still need assistance use the 'Get Help' link and let us know how we can help. We can provide information on component location, specifications, circuit color/location and more. We do ask that you please read the info available on the site first so that we can help reduce repeat questions. So please read our Disclaimer and when you're ready jump in!

Also we value your feedback and like to hear stories of unusual fixes or concerns you may have run into with your Check Engine Light, so feel free to share your experiences by using the 'Contact Us' link. Let's go!

We do our best to update these Nissan check engine light codes as frequently as possible. If you find one missing let us know and we we'll add it immediately! Please use the form on our Contact Page to get in touch with us. We certainly understand how frustrating it can be to look for a code definition and have it not online when you need it. And lets face it, if the service engine light is on then you need it now! It's easiest to use the 'Find On This Page' feature of your browser's 'Edit' menu to find codes on this page as the list is quite long. These are listed in numerical order for easy searching.

When retrieving Nissan check engine light codes with an OBD II scan tool, proceed as follows:
1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover.
2. Turn the ignition on.
3. Follow scan tool manufacturer's operating instructions to access the Diagnostic Trouble Codes (DTC's).

Remember, these are manufacturer specific codes only. Refer to our Generic OBD II code list for definitions on all other Nissan diagnostic trouble codes.

Manufacturer Specific Codes
P1105 MAP/BARO Pressure Switch Solenoid Valve

P1110 Intake Valve Timing Control Solenoid

P1120 Secondary Throttle Position Sensor Circuit Fault - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1125 Tandem Throttle Position Sensor Circuit Fault - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1126 Thermostat Function

P1130 Swirl Control Valve Control Solenoid Valve

P1135 Intake Valve Timing Control Circuit (Bank 2) - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1140 Intake Valve Timing Control Position Sensor (Bank 1)

P1145 Intake Valve Timing Control Position Sensor (Bank 2)

Obd Codes List

P1148 Closed Loop Control (Bank 1)

P1165 Swirl Control Valve Control Vacuum Switch

P1168 Closed Loop Control (Bank 2)

P1210 Traction Control System Signal Fault

P1211 ABS/TCS Control Unit

P1212 ABS/TCS Communication Line

P1217 Engine Over Temperature (Overheat)

P1220 Fuel Pump Control Signal Fault

P1320 Ignition Signal

P1335 Crankshaft Position Sensor (REF)

P1336 Crankshaft Position Sensor (CKPS)

P1400 EGRC Solenoid Valve

P1401 EGR Temperature Sensor

P1402 EGR System - Read Our Article on EGR Valve Codes For Help With This Nissan Check Engine Light Code

P1440 EVAP Control System Small Leak

P1441 Vacuum Cut Valve Bypass Valve

P1443 EVAP Canister Control Vacuum Switch Circuit Fault - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1444 Canister Purge Volume Control Solenoid Valve 94 mazda mpv service manual pdf download free for pc.

P1445 EVAP Canister Purge Volume Control Valve

P1446 EVAP Canister Vent Control Valve (Closed)

P1447 EVAP Control System Purge Flow Monitoring

P1448 EVAP Canister Vent Control Valve (Open) - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1464 Fuel Level Sensor Circuit (Ground Signal) - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1490 Vacuum Cut Valve Bypass Valve (Circuit) - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

Trouble Codes For Nissan Maxima

P1491 Vacuum Cut Valve Bypass Valve

P1492 EVAP Canister Purge Control/Solenoid Valve (Circuit) - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1493 EVAP Canister Purge Control Valve/Solenoid Valve

P1550 TCC Solenoid Valve

2003 Nissan Maxima Reviews

P1605 A/T Diagnostic Communication Line

P1701 Fuel Trim

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P1705 Throttle Position Sensor Circuit A/T - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code

P1706 Park/Neutral Position (PNP) Switch

Nissan Obd Location

P1760 Overrun Clutch Solenoid Valve (Circuit) - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code