Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
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Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0159-00O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)
Manufacturer communications
20Original wording in English
DODGE
Flash: Powertrain Control Module (PCM) Updates PCR9A Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P032F-00 - Combustion Engine Producing Insufficient Torque. ● P2D28-00 - Cold Start Propulsion …
LAND ROVER
"ISSUE: THE CUSTOMER MAY OBSERVE A MIL IN THE INSTRUMENT CLUSTER RELATING TO THE ENGINE SYSTEM (CHECK ENGINE LIGHT) AND ONE OR MORE CODES STORED IN THE PCM RELATING TO HEATED OXYGEN SENSOR (HO2S) IN THE EXHAUST SYSTEM. THE CODE WILL REFER TO A FAULT WITH THE PRE, OR MID, OR POST CATALYST HEATED OXYGEN SENSOR: P0030, P0031, P00D1…
NISSAN
IF YOU CONFIRM One or more of the following DTCs are present: * P0139 - HO2S2 (B1) (Heated oxygen sensor 2 circuit slow response) * P0159 - HO2S2 (B2) (Heated oxygen sensor 2 circuit slow response) NOTE: Do not replace O2 sensors for the DTCs above if the vehicle?s current ECM part number is in TABLE A on page 5. ACTION 1. Refer…
INFINITI
IF YOU CONFIRM: The MIL is ON and any of the following DTCs are stored in the ECM: - P0037, P0038, P0057, P0058, P0139, P0159, P0141, P0161, P0137, P0157, P0138, P0158 ACTION: 1. Refer to step 6 in the SERVICE PROCEDURE to confirm if ECM reprogramming applies. 2. If it applies, reprogram the ECM. 3. Replace only the rear O2 sens…
Check vehicle applicability
54A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chrysler | 300 ↗ | 2006 |
| Chrysler | 300 ↗ | 2005 |
| Chrysler | 300M ↗ | 2002 |
| Chrysler | CONCORDE ↗ | 2002 |
| Dodge | CHARGER ↗ | 2026 |
| Dodge | CHARGER ↗ | 2006 |
| Dodge | INTREPID ↗ | 2002 |
| Dodge | MAGNUM ↗ | 2006 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.