DFFS fault codes
7,984 codes · 47 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,984
| Code | Description | Brands | System |
|---|---|---|---|
| P2657 | A Rocker Arm Actuator System Stuck On Bank 2 | 23 | Powertrain |
| P2658 | A Rocker Arm Actuator Control Circuit Low Bank 2 | 23 | Powertrain |
| P2659 | A Rocker Arm Actuator Control Circuit High Bank 2 | 23 | Powertrain |
| P265A | B Rocker Arm Actuator Position Sensor Circuit Bank 1 | 19 | Powertrain |
| P265B | B Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1 | 21 | Powertrain |
| P265C | B Rocker Arm Actuator Position Sensor Circuit Low Bank 1 | 19 | Powertrain |
| P265D | B Rocker Arm Actuator Position Sensor Circuit High Bank 1 | 19 | Powertrain |
| P265E | B Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1 | 19 | Powertrain |
| P2660 | B Rocker Arm Actuator Control Circuit/Open Bank 2 | 23 | Powertrain |
| P2661 | B Rocker Arm Actuator System Performance/Stuck Off Bank 2 | 23 | Powertrain |
| P2662 | B Rocker Arm Actuator System Stuck On Bank 2 | 23 | Powertrain |
| P2663 | B Rocker Arm Actuator Control Circuit Low Bank 2 | 24 | Powertrain |
| P2664 | B Rocker Arm Actuator Control Circuit High Bank 2 | 24 | Powertrain |
| P2665 | Fuel Shutoff Valve B Control Circuit/Open | 27 | Powertrain |
| P2666 | Fuel Shutoff Valve B Control Circuit Low | 27 | Powertrain |
| P2667 | Fuel Shutoff Valve B Control Circuit High | 25 | Powertrain |
| P2668 | Fuel mode indicator lamp control circuit | 27 | Powertrain |
| P2669 | Oil level sensor signal failure | 29 | Powertrain |
| P266A | A Rocker Arm Actuator Position Sensor Circuit Bank 2 | 19 | Powertrain |
| P266B | A Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2 | 19 | Powertrain |
| P266C | A Rocker Arm Actuator Position Sensor Circuit Low Bank 2 | 19 | Powertrain |
| P266D | A Rocker Arm Actuator Position Sensor Circuit High Bank 2 | 21 | Powertrain |
| P266E | A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2 | 19 | Powertrain |
| P2670 | Actuator Supply Voltage B Circuit Low | 31 | Powertrain |
| P2671 | Actuator Supply Voltage B Circuit High | 30 | Powertrain |
| P2672 | Injection pump timing offset | 21 | Powertrain |
| P2673 | Injection pump timing calibration not learned | 21 | Powertrain |
| P2674 | Injection pump fuel calibration not learned | 21 | Powertrain |
| P2675 | Air cleaner inlet control circuit/open | 19 | Powertrain |
| P2676 | Air cleaner inlet control circuit low | 19 | Powertrain |
| P2677 | Air cleaner inlet control circuit high | 19 | Powertrain |
| P2678 | Coolant degassing valve control circuit/open | 20 | Powertrain |
| P2679 | Coolant degassing valve control circuit low | 22 | Powertrain |
| P267A | B Rocker Arm Actuator Position Sensor Circuit Bank 2 | 19 | Powertrain |
| P267B | B Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 2 | 19 | Powertrain |
| P267C | B Rocker Arm Actuator Position Sensor Circuit Low Bank 2 | 19 | Powertrain |
| P267D | B Rocker Arm Actuator Position Sensor Circuit High Bank 2 | 19 | Powertrain |
| P267E | B Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 2 | 19 | Powertrain |
| P2680 | Coolant degassing valve control circuit high | 19 | Powertrain |
| P2681 | Engine Coolant Bypass Valve A Control Circuit/Open | 29 | Powertrain |
| P2682 | Engine Coolant Bypass Valve A Control Circuit Low | 28 | Powertrain |
| P2683 | Engine Coolant Bypass Valve A Control Circuit High | 27 | Powertrain |
| P2684 | Oil level sensor signal failure | 24 | Powertrain |
| P2685 | Actuator Supply Voltage C Circuit Low | 26 | Powertrain |
| P2686 | Actuator Supply Voltage C Circuit High | 26 | Powertrain |
| P2687 | Fuel supply heater control circuit/open | 24 | Powertrain |
| P2688 | Fuel supply heater control circuit low | 23 | Powertrain |
| P2689 | Fuel supply heater control circuit high | 23 | Powertrain |
| P268A | Fuel injector calibration not learned/programmed | 26 | Powertrain |
| P268B | High pressure fuel pump calibration not learned/programmed | 18 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.