Chevy Impala P0725 Code: Meaning, Causes, + Diagnosis

P0725 is a common OBD2 code that can occur in the Chevy Impala. It indicates an issue with the engine speed sensor input circuit (which measures the engine speed at the input shaft and helps the PCM determine when and how hard to shift the transmission). It’s a generic code, which means it has the … Read more

Chevy Impala P0193: Symptoms, Causes, & Likely Fixes

P0193 is a generic OBD-II code that can occur in the Chevy Impala. It indicates that your Impala’s fuel rail pressure sensor is sending a signal to the PCM that is above its normal operating range (in terms of voltage value). While P0193 is a generic code (it has the same meaning for any vehicle … Read more

Chevy Impala C0040: Meaning, Causes, + Likely Fix

C0040 is a chassis trouble code that occurs in the Chevy Impala. GM designated C0040 to indicate an issue with the right front wheel speed sensor. Replacing your Impala’s right front wheel speed sensor is the most common repair for C0040, but it’s not the only one. Wiring harness issues are common with this code. … Read more

Chevy Impala C0035: Causes, Diagnosis, + Likely Fix

C0035 is a manufacturer-specific chassis trouble code that can occur in the Chevy Impala. GM designated C0035 to indicate an issue with the left front wheel speed sensor. Replacing your Impala’s left front wheel speed sensor is the most common fix for C0035, but it’s not the only one. C0035 Definition C0035: Left Front Wheel … Read more

Chevy Impala P0523: Meaning, Causes, + Likely Fixes

P0523 is a standard OBD2 trouble code that can occur in the Chevy Impala. 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 Impala’s … Read more

P305F Chevrolet Malibu and Impala: What It Is and How to Fix

Late-model Chevy Malibu’s and Impala’s use two batteries to help power their auto-start feature. The P305F code indicates a performance issue with the module that controls the two batteries. In reality, P305F is usually caused by low voltage in the auxiliary battery. P305F Definition: Dual Battery Control Module Performance Here’s what’s happening if your Impala … Read more

Chevy Impala P0705: Meaning, Causes, & Diagnosis

P0705 is a very common transmission-related trouble code that can occur in the Chevy Impala. In layman’s terms, it means that your Impala 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

Chevy Impala P015D: Meaning, Causes, & Diagnosis

P015D is a generic trouble code, which means that it has the same definition for the Chevy Impala as it would any other vehicle. The code indicates that the Oxygen (O2) sensor on bank 2 is not cycling from lean to rich as fast as it should be. P015D is usually caused by a bad … Read more

Chevy Impala P015B: Meaning, Causes, & Diagnosis

P015B is a generic trouble code, which means it has the same meaning any vehicle. In the case of the Chevy Impala, It indicates that the Oxygen (O2) sensor on bank 1 is not cycling from lean to rich as fast as it should be. P015B is usually caused by a bad oxygen sensor, but … Read more

Chevy Impala: DRL Warning Light On – Causes + Fix

Daytime running lights (or DRL) are specialized lights that come on when your Chevy Impala’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 Impala’s DRL warning light is on, the powertrain control module (commonly … Read more