Mitsubishi Montero P0523: Meaning, Causes, + Likely Fixes

P0523 is a standard OBD2 trouble code that can occur in the Mitsubishi Montero. In layman’s terms, it indicates the signal from the oil pressure sensor is higher than its normal operating range (in terms of voltage). P0523 is generic (it has the same definition for all vehicles), repair steps will depend on your Montero’s … Read more

Mitsubishi Montero P0705: Meaning, Causes, & Diagnosis

P0705 is a very common transmission-related trouble code that can occur in the Mitsubishi Montero. In layman’s terms, it means that your Montero can’t tell what gear you’ve selected, which can have some real consequences on how it drives. It’s most likely caused by a bad Transmission Range Sensor (TRS), but there are other causes … Read more

Mitsubishi Montero: DRL Warning Light On – Causes + Fix

Daytime running lights (or DRL) are specialized lights that come on when your Mitsubishi Montero’s regular headlights are turned off. Their purpose is to make it easier for other drivers to see you, theoretically decreasing the odds of getting into an accident. If your Montero’s DRL warning light is on, the powertrain control module (commonly … Read more

Mitsubishi Montero P2271: Meaning, Causes, + Diagnosis

P2271 is a generic DTC trouble code that can affect the Mitsubishi Montero. It indicates that the oxygen sensor located on bank 1 in the second position is continuously sending voltage with a value that is too rich. There are oxygen sensors on both sides of the catalytic converter. The “upstream” one is used for … Read more

Mitsubishi Montero P0605: Meaning, Causes, + Fix

P0605 is a relatively rare OBD-II trouble code that can occur in the Mitsubishi Montero. It indicates that PCM (powertrain control module) is not passing its ROM (read-only memory) self-test when you turn the ignition on. While P0605 is a generic code (it has the same meaning for any car or truck), it is most … Read more

Mitsubishi Montero P0116: Meaning, Causes, + Diagnosis

P0116 indicates that your Mitsubishi Montero’s engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it has the same basic causes … Read more

Mitsubishi Montero P0117 Code: Meaning, Causes, and Diagnosis

P0117 is a generic OBD2 code.  It indicates that your Mitsubishi Montero’s PCM (powertrain control module) has detected the signal coming from the engine coolant temp (ECT) sensor has a voltage level below its normal operating range. With the ECT sensor, as the voltage level drops, it will appear that your Montero is overheating. While … Read more

Mitsubishi Montero P0743: Meaning, Causes, + Diagnosis

P0743 is a generic OBD2 code that can occur in the Mitsubishi Montero. It indicates that your ECU/TCM has found an issue with the torque converter clutch solenoid. It is a generic code (meaning it has the same definition for all cars and trucks). Repair steps are going to vary depending on your Montero’s model … Read more