Archives: DTC Codes

What Does Code P1873 Mean? DTC P1873 indicates a specific electrical fault within the vehicle’s 4-wheel drive (4WD) system, specifically concerning the Axle Lock Lamp circuit. The diagnostic trouble code signifies that the Engine Control Module (ECM) or Powertrain Control Module (PCM), or in some architectures, a dedicated Transfer Case Control Module (TCCM) or 4WD […]

What Does Code P1874 Mean? DTC P1874 indicates a detected malfunction within the power supply circuit for one or more automatic transmission Hall effect sensors. The Powertrain Control Module (PCM) or Transmission Control Module (TCM), depending on vehicle architecture, monitors the voltage supplied to these crucial sensors. Hall effect sensors are typically used in automatic […]

What Does Code P1875 Mean? DTC P1875 indicates a critical electrical fault within the transmission automatic Hall Effect sensor power circuit, specifically detecting a condition where the circuit is shorted directly to battery voltage. This implies that the Powertrain Control Module (PCM), or Transmission Control Module (TCM) in some applications, is observing an excessive voltage […]

What Does Code P1876 Mean? DTC P1876 signifies an detected electrical malfunction within the circuit controlling the Transfer Case 2-Wheel Drive (2WD) Solenoid. This code is typically triggered in vehicles equipped with a part-time or full-time four-wheel drive (4WD) or all-wheel drive (AWD) system, where the Powertrain Control Module (PCM), or in some cases a […]

What Does Code P1877 Mean? DTC P1877 indicates a fault within the transmission transfer case 2-wheel drive (2WD) solenoid control circuit, specifically a short to battery voltage. This code is set when the Powertrain Control Module (PCM) or Transfer Case Control Module (TCCM) detects an abnormally high voltage, typically near battery voltage, on the control […]

What Does Code P1878 Mean? The OBD-II diagnostic trouble code P1878 signifies a detected electrical circuit failure pertaining to the transmission transfer case disengaged solenoid. This code is typically set by the Powertrain Control Module (PCM) or a dedicated Transfer Case Control Module (TCCM) when it identifies an anomaly within the control circuit of the […]

What Does Code P1879 Mean? DTC P1879 indicates an “open circuit” condition detected within the electrical circuit of the Transmission Transfer Case Disengaged Solenoid. In layman’s terms, the Powertrain Control Module (PCM), or in some vehicle architectures, the Transfer Case Control Module (TCCM), has detected a break in the electrical continuity to the solenoid responsible […]

What Does Code P1880 Mean? DTC P1880 signifies that the Powertrain Control Module (PCM), or in some vehicle architectures, the Transfer Case Control Module (TCCM), has detected a “short to battery” condition on the control circuit for the Transmission Transfer Case Disengaged Solenoid. This solenoid is an electro-mechanical device critical for controlling the engagement and […]

What Does Code P1881 Mean? DTC P1881 signifies a detected electrical malfunction within the circuit of the Engine Coolant Level Switch, as monitored by or communicated through the Generic Electronic Module (GEM). This code is typically manufacturer-specific, most commonly observed in Ford vehicles. The Engine Coolant Level (ECL) switch is a critical component designed to […]

What Does Code P1882 Mean? DTC P1882 indicates that the Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), has detected an electrical fault within the Engine Coolant Level (ECL) switch circuit. Specifically, the code signifies a “Short to Ground” condition. The ECL switch is typically located within the coolant reservoir and […]