What are the two codes on the ML320?

What are the two codes on the ML320?

My problem is quite similar to this thread but i need some answers to a few questions. The ML320 shows two codes namely B1703 Transponder: Programmed code OK., Programmable code invalid. And also, P1570 Fault in DAS to engine control module (A61)

What kind of gearbox does the Mercedes ML have?

The 722.6 gearbox installed in the ML is one of the most reliable transmission produced. ABS/ETS/ESP lights. Needs replacement of ABS pump. Easy DIY, follow these instructions. Transmission O-ring. Follow these DIY instructions if you need to repair yours. Transmission stuck in gear, limp mode. Learn how to troubleshoot transmission limp mode.

Are there any problems with my Mercedes ML 320?

Low range light flashing. Power steering problems. Will need power steering pump replacement. Door lock actuators also tend to be prone to failure. Plastic trim inside the car break easily. Window regulator. Fuel pump. Oxygen sensors. Alternator may need replacement between 130k and 170k miles.

Is the Mercedes Benz W163 transmission bulletproof?

The transmission and the engine on the ML are bulletproof if you only do regular maintenance. The ML W163 had several changes made over the years. Mercedes-Benz improved some designs and address several of the problems on the list above.

What does p0173 mean on a DTC code?

When the fuel trims reach their rich correction limit, the PCM (Powertrain Control Module) sets a P0173, indicating a problem or malfunction in the fuel trims. It may also have a P0170 referring to the same malfunction but on bank one. Symptoms of a P0173 DTC may include:

What does a p0170 mean on a PCM?

When the fuel trims reach their rich correction limit, the PCM (Powertrain Control Module) sets a P0170, indicating a problem or malfunction in the fuel trims. It may also have a P0173 referring to the same malfunction but on bank two. Symptoms of a P0170 DTC may include:

What causes a Mercedes Benz to have a p0170 code?

P0170 and P0173 Code Causes The most common cause of P0170 and P0173 on a Mercedes-Benz is a defective mass-airflow sensor. The MAF sensor gets dirty over time triggering the CEL and the two codes.

When the fuel trims reach their rich correction limit, the PCM (Powertrain Control Module) sets a P0173, indicating a problem or malfunction in the fuel trims. It may also have a P0170 referring to the same malfunction but on bank one. Symptoms of a P0173 DTC may include:

P0170 and P0173 Code Causes The most common cause of P0170 and P0173 on a Mercedes-Benz is a defective mass-airflow sensor. The MAF sensor gets dirty over time triggering the CEL and the two codes.

What are the Mercedes codes for vacuum leaks?

Other codes that you may get are P0130, P0135. If you clear the P0170 and P0173 without fixing the underlying problem those two codes will return in a couple of days. Under certain circumstances such as vacuum leaks, the car may run fine even if the CEL light is on and P0173/P0170 are present.

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