P0151 harley code. 2V or higher) on the signal circuit of the bank 2 sensor 1 Oxygen (O2) Sensor for an extended period of time. This is exactly what one would expect by reducing the O2 sensor feedback signal so much that the ECM says the signal is out of range. Any voltage lower than a preset threshold in the ECM can trigger the 131/151 errors. Basically stock except for Freedom Performance Headers, V&H High Ouput mufflers, and Ness Big sucker. Learn troubleshooting techniques and preventive maintenance tips to keep your bike running smoothly. . Essentially the same as P0136 and P0137 and P0131, a P0151 code The bike being used is a 2016 Harley Davidson V-Rod Muscle. The P0151 code is a common diagnostic trouble code (DTC) for Harley-Davidson motorcycles, indicating an issue with the rear oxygen (O2) sensor. I brought the bike into the dealer and found out the O2 sensor diagnostic code is common and most likely due to the fuel processor. The codes indicate lean and then rich condition on the rear cylinder and the decel popping is on that pipe also. I'm aware what the codes mean but between the dealer, Independent shop and myself we simply cannot figure If your car's ECM throws a P0151 trouble code, it's a good idea to fix it ASAP. So i got my bike to garage and change VSS, now I got P0131, P0151 on idle and if I open the throttle got Some info on these codes which pertain to a code set when using the IED's What do the 131/151 codes mean? The codes are specifically listed as P0131 and P0151 codes. Struggling with code P0152 on your Harley Davidson? This article uncovers essential insights into the oxygen sensor circuit issue affecting Bank 2. The IED's take a higher voltage from the O2 sensor and "shift" it to a lower voltage for the ECM to read. For 2014 & newer touring models this will be the toggle switch on the left control mount. speedo sweep then from what Harley code P0152 points to a specific problem with the motorcycle’s oxygen sensor. I came home I checked the code it`s Rear O2 P0151 Rear O2 sensor low or engine running lean . What should I check other than an exhaust leak? We guess DTC P0151 essentially the same as P0136 and P0137 and P0131, a P0151 code refers to the first oxygen sensor on Bank 2 . Jul 2, 2010 · P0151 Rear O2 sensor low or engine running lean. Wouldn’t start the first try. I tired retrieving and clearing ECM Diagnostic Trouble Codes thru the Harley gauge run switch, ign, odometer button. Release the odometer reset button. Rode it for two days. Clear this code immediately to prevent serious engine issues. Thanks again for your help. and 3. When this code appears, it indicates that the oxygen sensor in your Harley is reading a low voltage in the downstream O2 sensor located after the catalytic converter. Hey Glider, So three things: 1. The description in the Service Manual is: P0131 Front O2 sensor low or engine running lean P0151 Rear O2 sensor low or engine How to check Harley-Davidson trouble codes and what does the Harley-Davidson trouble code mean? VT’s Premier Harley-Davidson Dealership. 1- Turn Ignition switch to OFF & Run/Stop switch is to Run. 21V in the exhaust, indicating too much oxygen. Intake noise and sputtering between 2000-2700 rpm suggest possible vacuum leaks or faulty A P0151 code is caused by an ECM (Engine Control Module) receiving a signal indicating the O2 sensor for bank 2 sensor 1 has failed to increase the voltage output above . The code indicates a low voltage at the rear oxygen sensor due to exhaust leaks, defective sensor, shorted circuit or faulty ECM. It starts, idles, runs perfect for about 5 minutes then popping lightly on decel and minor bucking/surging at almost steady throttle. ” Code P0152 is triggered when the Engine Control Module (ECM) detects an abnormally high voltage (approximately 1. The O2 sensor produces a 0. Reason pointed me to the injector, how could it set both codes. P0131 and P0151 codes indicate low voltage from front and rear oxygen sensors, signaling possible sensor aging or wiring faults. Codes P0151 and P0154 indicate oxygen sensor circuit issues, often from aftermarket exhaust changes like V&H Pro Pipe. Here's what causes code P0151 and how to resolve it For example, a Harley code P0151 is triggered when Bank 2 Sensor 1’s oxygen sensor fails to exceed 0. Sensors and Motors (P0051-P2304) ABS (C0652-C1573) Battery, Ignition, Lighting and Accessories (B0563-B2274) CanBus (U0001-U1317) Radio Diagnostics Understanding harley code P0131 is essential for diagnosing specific issues in your Harley-Davidson. Wilkins HD 802-476-6104 The P0151 code specifically indicates that there is a low voltage condition in the O2 sensor circuit of Bank 2 Sensor 1. O2 Sensor DTC P0131 & P0151 need help!!! Hey ladies & gents, I have an 08 Nightster. The P0151 code indicates an O2 sensor circuit issue, while U0100 signals communication loss. Unlock Harley's Secrets: Decoding P1511 B1121 P1510 B2156 Harley Codes - Get Back on the Road with Our Expert Guide! Hi. You will note that they tell you to "clear and ignore" the codes. Check codes when I get to the office. P0151 is low rear O2 sensor, indicating you pinched a wire or munged the sensor when you installed it back in the pipe. No issues during that drive expect the Check engine light will not go off. Discover symptoms like the check engine light and rough idle, as well as common causes such as faulty O2 sensors and exhaust leaks. When this code is triggered, it signifies that the Engine Control Module (ECM) has detected a low voltage signal from the rear O2 sensor, which can lead to suboptimal engine performance and reduced fuel 2014 Harley Davidson Sportster 48 Intake Sputter and P0151 Code Fix Sportster 48 often faces intake leaks and oxygen sensor errors causing sputtering under load. Could not get the motor restarted and had to trailer it home. Went for a ride, turned a corner and gassed the bike was going good, shifted to third and it cut off. The following procedure will instruct in retrieving and clearing ECM Diagnostic Trouble Codes and TSM/TSSM codes through the Harley gauge cluster as well as a list of codes. Although generic, the specific repair steps may vary depending on make/model. Runs fine now. Lower voltage equates to a leaner fuel mixture in the eyes of the ECM. 0 Volt output. 3K views 13 replies 4 participants last post by SCHMIDTY Dec 22, 2013 Osco Discussion starter To fix Code P0152, check the oxygen sensor and its wiring, then replace or repair as needed. I have been dealing with P0132 and p0152 codes for over 6 months. The Check Engine Light (CEL) on a Harley-Davidson motorcycle indicates that the motorcycle’s onboard diagnostic system detects a current or historic trouble code in one or more of its sensors, circuits, or components. Harley Codes DTC's P codes Jump to Latest 5. Come join the discussion about modifications, troubleshooting, maintenance, performance, classifieds, and more! P0131 is Front 02 sensor low (lean) and P0151 is Rear 02 sensor low (lean). I put in a new battery. Start by inspecting the O2 sensors’ wiring harness for damage or corrosion. Turn OFF the ignition switch. Pull the codes: P0151 PN 176PZ005- (only code showing) Reset the codes. May 8, 2025 · I worked my problem down to the injector on the rear cylinder. Same as before, just the P0151. Check wiring harnesses for damage or poor connections near the rear O2 sensor. Push odometer reset button in & hold. Hi guys, got a problem with my DX'13. Intake noise and sputtering between 2000-2700 rpm suggest possible vacuum leaks or faulty 2007 Electra glide classic, 54k miles. This article will explore the various aspects of the P0151 Harley Code, including its definition, symptoms, common causes, diagnostic procedures, repair options, and preventive measures. P0151 O2 Sensor Circuit Low B2S1 Technical Description Oxygen O2 Sensor Circuit Low Voltage (Bank 2, Sensor 1) What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. Bank 2 refers to the side of the engine that does not contain cylinder number 1, while Sensor 1 denotes the pre-catalytic converter sensor. Turn ignition switch to Ignition and release the odometer reset button. Get back on the See P0151 OBD-II low voltage oxygen sensor symptoms like poor fuel economy and check engine light. One of the strange things I've noticed about how Harley has their engine management system set up is that oxygen sensor codes do not (normally) illuminate the check engine light. , known as diagnostic trouble codes (DTC). I had intermittent check engine light . Background lighting should illuminate, speedometer needle should sweep its full range and indicator lamps Fuel Moto does not offer technical support for diagnostic trouble codes. Light came back on. I was going about 45mph in top gear . Go to Harley r/Harley • Nyxxit-55 Français हिन्दी Português (Brasil) 日本語 한국어 Suomi Deutsch Norsk (Bokmål) Nederlands ไทย Español (España) Hindi (Latin) Filipino Română Diagnostic trouble code (DTC) P0132 stands for “Oxygen Sensor Circuit High Voltage (Bank 1, Sensor 1). Learn how to troubleshoot issues with your Harley using Harley error codes displayed directly on the speedometer. Their reference is primarily associated with break-in, but it seems strange that something that is acceptable at 999 miles because an issue at 1001 miles. It may be that the purpose of your life is to serve as a warning to others Redirecting New to group asking for my husband he has a 2007 HD Electra glide ultra classic and iam getting codes P0131, P0151, P0261, P0263, P0562, P1003, B1005 came out of nowhere rode one day fuel pump went Harley Fault Codes 2004-2015 Below is a list of comprehensive list of diagnostic codes that you may come across on your Harley-Davidson. Cleared the check engine light. Ran the codes this morning and this is what came up: P0131- front oxygen sensor low Fuel Moto does not offer technical support for diagnostic trouble codes. Understanding the P0151 trouble code: Learn about the causes and potential solutions for the low voltage issue in Bank 2 Sensor 1. The code deals with high voltage readings, which can affect engine 2009 96" Roak King. The light came on for 15-20 seconds then off three times . How to read the diagnostic trouble codes on Harley Sportsters and Big Twins. The key point to look at here is "O2 sensor low" when analyzing what is happening with the IED's in place. Jun 28, 2024 · If you encounter Harley code P0151, it signifies a potential issue with the oxygen sensor in your motorcycle. A forum community dedicated to Harley Davidson V-Rod Motorcycle owners and enthusiasts. Wilkins HD 802-476-6104 How to Display a Trouble Code Turn Ignition switch to OFF & Run/Stop switch is to Run. 2. Troubleshoot harley code P0051 with our detailed guide for Harley-Davidson motorcycles. This is the best Harley forum on the internet. Common causes of a P0151 code include a bad oxygen sensor, wiring issues, exhaust How to check Harley-Davidson trouble codes and what does the Harley-Davidson trouble code mean? VT’s Premier Harley-Davidson Dealership. 21 volts, indicating excessive oxygen in the exhaust. Before firing the parts cannon and replacing the ECM I would at least look to see if the pins in the connector to this module are clean. Learn what the Harley code P0151 means and how to diagnose and fix it. I am thinking a bad What does DTC mean on a Harley? What are the different types of Harley-Davidson fault codes? Get all the answers! Code P0131. (codes were p0151 and 052). Read this This is the exerp from the 2008 Harley Dyna Service Manual that talks about the 131/151 codes. It has around 1700 miles on it. You were right about Fill the tank and notice the check engine light is on. P0151 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes. Nothing major. Could it be the battery ? It`s the Code P0151 is set when the signal from the O2 sensor is below specifications. Since the day I bought it I've had 2014 Harley Davidson Sportster 48 Intake Sputter and P0151 Code Fix Sportster 48 often faces intake leaks and oxygen sensor errors causing sputtering under load. I never had this before . 0 to 1. I took off the air filter and let the throttlebody cough out the fumes to start. 2018 Road glide Ultra . Exploring the P0151 code: causes, severity, and solutions for the O2 Sensor Circuit Low Voltage issue here! P0051, or p0151? P0051 is not a code that I am aware of. After quick check I've got P0132,P0152 codes and code related to VSS. NOTE: To determine if a code is current or historic, clear the displayed code by pushing in and holding the odometer reset button ( longer than 5 seconds) until 'clear' comes up. Aug 12, 2024 · These are engine control module (ECM) codes, but what's causing them to be produced I have no idea. Bike fires up and I drive the rest of the 50 Miles to work. Ensure the engine is running properly and no other codes are present. Find expert diagnosis and RepairPal Certified shops today. Harley Trouble Code P0132 Solution Diagnose harley code P0152 and discover effective solutions for your Harley-Davidson bike. 2- Push odometer reset button in & hold. Engine Performance Diagnostics chapter 5 Tests shown how to use oxygen sensor bias voltage to indicate heater circuit activity A P0151 code is set when the computer (ECM/PCM) detects low or no voltage on the Bank 2 Sensor 1 oxygen sensor. Code P0152 indicates a high voltage problem with the upstream oxygen. 2010 RK setting these codes. While was driving in highway got I loss the power and the bike stall. ds8ae, voal, qlfa, 9injbe, cf5eql, lcsja, naxpp, e208g, 44po, iamqlk,