P1600 Diagnostic Trouble Code Discussion for January 2010
PCM Battery Backup Circuit Malfunction
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| Help Request | Posted | |
| 2000 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR12E3Y P1600: ECM Battery Backup Circuit Malfunction. ... engine light comes on intermittently. Sets code P1600- ECM Battery Circuit.Performed diagnostics and checked back up power supply thru EFI fuse- No problem found. Replaced ECM with good used part and same problem. Light will set right away or sometimes ... |
January 21, 2010 |
