VOLVO
ECM-8200 - Battery voltage. Faulty signal
System
Engine Control Module (ECM)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
8 modelsC70 (2006–2013), S40 (2004–2013), S60 (2001–2009), S80 (1999–2006), V50 (2004–2013), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Show models by year and engine (13)
- Volvo C70 (2006–2013)2006Engine B5254T3 only
- Volvo S40 (2004–2013)2005–2006Engine B5254T3 only
- Volvo S60 (2001–2009)2005–2006Engine B5204T5, B5244T4, B5244T5, B5254T2, B5254T4 only
- Volvo S80 (1999–2006)2005–2006Engine B5204T5, B5244T4, B5254T2, B6294S2, B6294T only
- Volvo V50 (2004–2013)2005–2006Engine B5254T3 only
- Volvo V70 (2000–2008)2005Engine B5204T5, B5244T4, B5244T5, B5254T2, B5254T4 only
- Volvo V70 (2000–2008)2006Engine B5204T5, B5244T5, B5254T2 only
- Volvo V70 XC / XC70 (2001–2007)2005All engines except: D5244T
- Volvo V70 XC / XC70 (2001–2007)2006Engine B5244T4, B5254T2 only
- Volvo XC90 (2003–)2005–2006Engine B5254T2, B6294T only
- Volvo XC90 (2003–)2007–2012Engine B5254T2 only
- Volvo XC90 (2003–)2013–2014Engine B5254T9 only
- Volvo XC90 (2003–)2015
What does this fault code mean?
The ECM monitors the feed that comes through the system relay and has registered a faulty battery voltage. The fault is caused by a damaged engine control module. The engine may stall or fail to start. The fault applies to the C70 (06-), S40 (04-), S60 (-09), S80 (-06), V50, V70 (00-08), V70 XC and XC90.
Possible causes
- Damaged engine control module
What you can do
- 1Read and note the code, clear it and road test to see whether it returns
- 2Check the battery voltage and condition
- 3Check that the connectors to the engine control module are secure and clean
- 4If the fault returns, have a workshop replace the engine control module and program it
Symptoms you may notice2
- The engine stalls
- The engine does not start
General guidance for car owners. Diagnosis on the car can point to a different cause.