Category: Code

The B1357 code refers to a problem with the Ignition Switch RUN circuit, causing a malfunction in the vehicle's diagnostic system. Symptoms of this code may include difficulty starting the engine, intermittent power loss, or the engine not turning off. Common causes of the B1357 code include a faulty ignition switch, damaged wiring, or a… Continue reading B1357 Code Meaning, Symptoms, Causes and How to Fix

The B1345 code signifies a problem with the heated rear window system in a vehicle. It is a diagnostic trouble code and indicates that the Heated Backlite Input is not within the specified range set by the manufacturer. Ignoring this code can result in the loss of important functions or safety features, so it is… Continue reading B1345 Code Meaning, Symptoms, Causes and How to Fix

The B1239 code indicates a circuit failure in the airflow blend door driver. This can lead to issues with the vehicle’s heating and cooling system. Symptoms of this code may include inconsistent temperature control or a lack of airflow. The causes of the B1239 code can vary, such as a faulty blend door actuator or… Continue reading B1239 Code Meaning, Symptoms, Causes, & How to Fix

The B1245 code refers to a problem with the Rear Air Mix Control Motor in the Climate Control Unit. Symptoms of this issue may include inconsistent heating or cooling in the rear of the vehicle, or the air mix control not responding properly. The causes of this code can vary, including a malfunctioning motor, wiring… Continue reading B1245 Code Meaning, Symptoms, Causes, & Tech Notes

The B1256 code refers to a problem with the Air Temperature External Sensor, as detected by the Powertrain Control Module (PCM). This code is triggered when the sensor fails to meet the factory specifications. Symptoms of the B1256 code may include erratic temperature readings on the vehicle’s display or dashboard, or the temperature control system… Continue reading B1256 Code Meaning, Causes, Symptoms, & How to Fix

The B1263 code refers to a problem with the control of the panel/defrost and floor door actuator motors by the Electronic Automatic Temperature Control (EATC) module. Symptoms of this issue may include the engine light turning on or the service engine soon warning light appearing. There are several potential causes for the B1263 code, such… Continue reading B1263 Code Meaning, Symptoms, Causes, & How to Fix

The B1262 code indicates a malfunction in the Defrost Door Actuator, which is an essential part of the Electronic Automatic Temperature Control (EATC) Module in vehicles. This malfunction can cause the Engine Light or Service Engine Soon Warning Light to illuminate, and may also lead to other specific symptoms depending on the vehicle. The causes… Continue reading B1262 Code Meaning, Symptoms, Causes, & How to Fix

The B1261 code indicates a problem with the solar radiation sensor circuit in vehicles with an Electronic Automatic Temperature Control (EATC) module. Symptoms may include a warning light turning on and incorrect temperature control readings. Possible causes include a faulty sensor, harness issues, poor electrical connections, or a faulty EATC module. To fix the issue,… Continue reading B1261 Code Meaning, Symptoms, Causes, & How to Fix