Guide To P0813 OBD Error Code Solutions

<<See All OBD Codes

This is a generic OBD-II error which is set by the PCM when it find issue in the reverse output circuit of the vehicle. The PCM closely monitors the voltage sent from the reverse input switch when you shift the vehicle into reverse. When the signal is outside the range set by the manufacturer, the PCM will go ahead and set the P0813 error code. This will be indicative of the fault occurring within the circuit.

The Powertrain Control Module manages the functioning of all the control systems in a vehicle, the reverse input sensor informs the PCM that the vehicle transmission is in reverse. An incorrect signal if detected by the PCM will force it to set the OBD error code P0813.

What causes this problem with the Reverse Output Circuit?

• Defectiveness in the reverse input switch
• Shorted or open wiring and/or connectors linked with the reverse input switch
• Fault with the PCM (extremely rare)

1. Range sensor circuits - Check them thoroughly and fix your P0813 error by repairing or replacing them as per requirement.
2. Range Sensor Connector - Faulty connectors can cause plenty issues, repair or replace them depending on the damage and get rid of the P0813 code from flashing.
3. Range Sensor - Repair the issues with the sensor or simple opt for replacement if the repairs aren’t solving the problem.
4. Engine Control Module - Change your ECM with Parts Avatar. We have a wide range of auto parts that you buy online from the comfort of your home.
5. Powertrain Control Module - A very crucial part of your vehicle, buy only the best from us. Avail free shipping on orders over $99.
6. Diagnostic Tools - Only the best and accurate diagnostic tools will help you when trying to resolve the P0813 code. We stock a wide range of brands for you to select as per your requirement.

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P0813 code by mentioning some major symptoms below:

Common Symptoms

• Check engine light is on
• Rough shifting
• Inability to shift
• Low fuel efficiency

Have a look at some ways with which you can correct the P0813 code:

• Check and fix the alignment of the transmission range sensor if needed
• Repair or replace wires, connectors, and circuits in the system
• Repair or replace range sensor connector
• Repair or replace the range sensor

Don’t get tensed if you are still facing any of these issues as we care for our customers and that’s why we offer a good range of Connectors, And Circuits, Sensor Connector, Range Sensor and a lot more. We are sure that now all your issues would be resolved.

Reverse position sensor codes are mostly caused by sensor failure, to be able to diagnose the error correctly you can follow the procedure below:

Start off by gathering all the tools needed for the diagnosis; a DVOM (digital volt/ohmmeter), diagnostic scanner, vehicle information source. From the vehicle information source find the technical service bulletins matching your vehicles make, model, engine, year and symptoms as per code. If you’re able to find them then you will be getting a lot of diagnostic help.

Now you are all set for the process to begin, connect the scanner to your vehicle's diagnostic port and retrieve all codes as well as freeze frame the data. Make note of all these codes in order for future reference. Now clear the codes and go on a test drive, if you see that the PCM has entered readiness mode, then it was most likely an intermittent condition. These intermittent conditions can be very difficult to diagnose and in some unfortunate cases the condition of the vehicle may have to worsen before accurate diagnosis can be made. However, if you find that the code was immediately reset, you will have to refer the TSB for diagnostic flow-charts, connector face views and pinout charts, and component testing procedures as well as specifications. These will help you rule out if everything is within the manufacturers range as required by the vehicle. Using the DVOM test the voltage, ground as well as the signal present at the reverse position sensor or neutral safety switch. The input and output circuits of the reverse position sensor usually consist of either reference voltage (transmission in reverse) or a ground (transmission not in reverse). If you find that these circuits are working fine, then use the DVOM again test the appropriate reverse position sensor, those sensors that aren’t fitting within the manufacturers prescribed parameters will have to be either repaired or replaced completely.

Common mistakes when diagnosing the P0813 code

• Back up lamp failure can happen when this code is set, some may wrongly assume the issue is with the back-up lamp, when it actually lies with faulty wiring, and connectors or defects in the reverse input switch.

P0812 - Reverse Input Circuit