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.
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 communications
4Original wording in English
PORSCHE
Instructions for correcting a check engine light with fault P138800 on Macan models. Remedy is to reprogram the engine electronics with software 38.600.020 or higher.
VOLKSWAGEN
Technical Bulletin (Update Programming MIL ON DTCs P0606, P1388 and or P2201 Stored in ECM Fault Memory): MIL ON with NOx Sensor fault P2201 and/or Engine Control Module faults P1388, P0606 are stored in fault memory. Due to NOx sensor diagnostic strategy and ECM monitoring to being too sensitive. The production solution to this…
AUDI
MIL ON - DTC P1388 STORED IN ECM (INTERNAL CONTROL MODULE DRIVE BY WIRE ERROR). *KB
JAGUAR
MALFUNCTION INDICATOR LAMP ILLUMINATED 3.0 L V6 FALSE FLAGGING OF DIAGNOSTIC TROUBLE CODE P1383 OR P1388 REPROGRAM POWERTRAIN CONTROL MODULE. *EH
Check vehicle applicability
10A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Variable Cam Timing Overretarded (Bank #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.