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 communications
4Original wording in English
AUDI
MIL on, DTC for "System rich" (P1137 and/or P1139)
AUDI
AUDI: WHILE DRIVING, MAINLY SHORT DISTANCE (STOP AND GO), HIGH CRANKCASE PRESSURE CAN LEAD TO DTCS P113700 AND P113900 CODES. CRANKCASE PRESSURE CAN BE LOWERED WITH NEW ECM (ENGINE CONTROL MODULE) SOFTWARE LEVEL AFTER CHANGING CRANKCASE PRESSURE VALVE TO IMPROVE AND ELIMINATE MENTIONED DTC CODES. MODELS 2010-2012 S4, S5, 2009-20…
AUDI
LONG TERM FUEL TRIM - SYSTEM TOO RICH. DIAGNOSTIC TROUBLE CODE P1123, P1125, P1137 AND P1139. *TT
CADILLAC
4.6L LH2 ENGINE WITH A DIAGNOSTIC TROUBLE CODE (DTC) P0101, P0139, P0300, P0315, P1101, P1137, P2119 OR P2231. SIT BULLETIN 1457601. *TT
Check vehicle applicability
34A 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.
Lack Of HO2S Switch – Sensor Indicates Lean
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.