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.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
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.
P016A-00Excessive Time To Enter Closed Loop Air/Fuel Ratio Control
P016A-00Excessive Time To Enter Closed Loop Air/fuel Ratio Control
Manufacturer communications
11Original wording in English
JEEP
Flash: Powertrain Control Module (PCM) Updates - PCR8A3 Technicians may find one or more of the following Diagnostic Trouble Code (DTC): SYMPTOM: ● **P22D3-00 - Turbo Turbine Inlet Valve Stuck Closed. DTC falsely sets. ● P016A-00 - Excessive Time To Enter Closed Loop Air/fuel Ratio Control. DTC falsely sets.** ● P04B6-00 - Fuel …
RAM
Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience bucking under hard acceleration. In addition other customers may experience a Malfunction Indicator Lamp (MIL) illuminat…
RAM
Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one of more of the fol…
RAM
Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one of more of the fol…
Check vehicle applicability
3A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | CHEROKEE ↗ | 2026 |
| Ram | 1500 ↗ | 2015 |
| Ram | 1500 ↗ | 2014 |
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.