16985/P0601/001537

16985/P0601/001537 - Internal Control Module: Memory Check Sum Error

Possible Symptoms

• MIL illuminated

Possible Causes

• Engine Control Unit (ECU) defective
• Flash ROM (used in aftermarket "chips") defective
• Low Voltage

Possible Solutions

• Replace ECU
• Contact aftermarket chiptuner for repair of their chip
• Check and test Battery and Charging system

Special Notes

• When found in 1.8T:
  • This thread might be useful: http://forums.vwvortex.com/zerothread?id=915672
• When found in 2.0l TFSI (BPJ, BPY, BWA, BWJ, BYK), check/update Engine Control Module Software Version
  • Audi A3 (8P), A4 (8E/8H) or Audi A6 (4F):
    • North American Region (NAR): TSB 2017905/24-08-82
    • Rest of World (RoW): Campaign 24H8 (2013846) or TPI 2012760
  • Seat Altea (5P) or Leon (1P), see Campaign 24S1 (2014557).
  • Skoda Octavia (1Z), see Campaign 24K5 (2014942).
  • Volkswagen Models:
    • Rest of World (RoW): TPI 2014494
    • North American Region (NAR): TSB 2014077 /01-09-18 or 24M2/O3 RVU (may be covered under warranty)
      • https://static.nhtsa.gov/odi/tsbs/2014/MC-10120237-9999.pdf NHTSA
• When found in NAR market Audi V8 and V10 FSI engines see TSBs:
  • Pass-Thru TSB # 24-08-31 (2017905/1)
  • Audi TSB # 24-08-82 (2017905/4)
    • Audi clumped a large number of vehicle types into that TSB but it only applies to select ECMs found in RS4, A6, S6, A8, S8 and Q7 models in the 2007 era M.Y. range. It does NOT include the R8.