P0147 Code – O2 Sensor Heater Circuit Malfunction
Acasa › Blog › bam The P0147 diagnostic trouble code (DTC) indicates a malfunction in the oxygen sensor heater circuit for Bank 1 Sensor 3. Some vehicles use three oxygen…
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P0138 Code – O2 Sensor Circuit High Voltage
Acasa › Blog › bam The P0138 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected a high voltage signal from the oxygen sensor on Bank…
P0137 Code – O2 Sensor Circuit Low Voltage
Acasa › Blog › bam The P0137 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected a low voltage signal from the oxygen sensor on Bank…
P0136 Code – O2 Sensor Circuit Malfunction
Acasa › Blog › bam The P0136 diagnostic trouble code (DTC) indicates a malfunction in the oxygen sensor circuit for Bank 1 Sensor 2. The downstream oxygen sensor (Sensor 2)…
P0134 Code – O2 Sensor Circuit No Activity Detected
Acasa › Blog › bam The P0134 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected no activity from the oxygen sensor on Bank 1 Sensor…
P0135 Code – O2 Sensor Heater Circuit Malfunction
Acasa › Blog › bam The P0135 diagnostic trouble code (DTC) indicates a malfunction in the oxygen sensor heater circuit for Bank 1 Sensor 1. Modern vehicles use heated oxygen…
P0132 Code – O2 Sensor Circuit High Voltage
Acasa › Blog › bam The P0132 diagnostic trouble code (DTC) indicates that the Engine Control Unit (ECU) has detected an abnormally high voltage signal from the oxygen sensor circuit…
P0174 Code – System Too Lean Bank 2
Acasa › Blog › bam What Does the P0174 Code Mean The P0174 code indicates that the engine control unit (ECU) has detected a lean air-fuel mixture on bank 2…
P2453 – DPF Sensor Range Problem!
Acasa › Blog › bam The P2453 fault code indicates that the DPF differential pressure sensor is reporting values outside the expected performance range. Unlike P2452 (electrical circuit fault), P2453…
P2452 – DPF Sensor Circuit Fault!
Acasa › Blog › bam The P2452 fault code indicates a circuit malfunction in the DPF differential pressure sensor. Without accurate pressure readings, the ECM cannot properly control regeneration cycles.…
