BMW Fault Code - 138

Check 138 Fault Code

BMW Fault Code: 138

138 - Fault during jump test in potentiometer 2 of throttle valve 2 (OBDII code P1581)

System: Electronic Engine Power Control

BMW System: EML

Type: Drive

CAN Timeout Message 1

Fault Code Table : DME MSS50

The MSS50 is a special ECU designed solely for the European E36 M3 3.2. Designed by Siemens, it integrates full Vanos control for both Intake and Exhaust Cams inside a single ECU, unlike the previous M3.3 which required a separate VNC Vanos Controller

Compressor Intervention

Fault Code Table : DME M5.2.1

DME M5.2 and M5.2.1 are Bosch ECUs, used on the M44 4cyl engine, and the M62 V8, and the M72 V12.

Compressor Intervention

Fault Code Table : DME M5.2

DME M5.2 and M5.2.1 are Bosch ECUs, used on the M44 4cyl engine, and the M62 V8, and the M72 V12.

Knock Sensor 2

Fault Code Table : BMS46

The Bosch BMS46 is a Hybrid ECU, created from a joint effort with Siemens, and is used in later M43 engines used in the Z3 and E46 series.

Knock Sensor 2

Fault Code Table : BMS43

The Bosch BMS46 is a Hybrid ECU, created from a joint effort with Siemens, and is used in later M43 engines used in the Z3 and E46 series.