What is the code P2177 on a VW Jetta?
The definition for code P2177 is “System Too Lean Off Idle Bank 1. This means that the powertrain control module (PCM) or engine control module (ECM) has detected that the engine’s Bank 1, whatever that means for your specific vehicle, is running with too much air and not enough fuel, a condition referred to as “ . Error Code P1515 is defined as Control Module Throttle Actuator Position Performance.The P2101 code will typically state the description as “Throttle Actuator “A” Control Motor Circuit Range/Performance. This can be difficult for beginners or DIYers to untangle, but it typically means that there’s an issue between the actual throttle position of the vehicle and the throttle position that the .
What is the code P2177 on a Volkswagen Jetta?
They are located in the exhaust system, allowing them to detect if the engine’s air-fuel mixture is biased rich or lean. If the powertrain control module (PCM) detects a lean condition (too much air in the air-to-fuel ratio) off idle, on-board diagnostics will set code P2177. The diagnostic trouble code (DTC) P2187 stands for “System Too Lean at Idle (Bank 1). The PCM logs the P2187 code when the fuel mixture is too lean at idle in engine bank 1. Possible causes of the P2187 code include exhaust leaks, vacuum leaks, issues with sensors, wiring issues, and PCM issues.