Multi-code OBD2 diagnosis
Enter all the codes your scanner showed, not just the first one. We give you the overall severity, whether you can keep driving, the order in which to check them and how they relate to each other.
Summary
- Overall severity
- Low
- Can I keep driving?
- Yes, no immediate risk
- Estimated cost
- $0 to $80
- Codes analyzed
- 1 of 1
The order below is the recommended one: first the codes that can cause the others. After each repair, clear the codes and check which ones come back.
Order of inspection
P1600 Engine Computer Backup Power Supply (Toyota, BATT) Low
On Toyota and Lexus vehicles, the P1600 code means there was a fault in the backup power supply (BATT) of the engine computer. The computer loses what it has learned every time the engine is shut off. Other brands may define this number differently.