P1604 Diagnostic Trouble Code Discussion for September 2016
PCM Internal Dual-Port Ram Read/Write Integrity Failure
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| Help Request | Posted | |
| 2011 Toyota 4Runner Limited 4.0L MIL Lamp on VIN: JTEBU5JRXB P1604: Start ability malfunction. Three weeks ago had same codes, oil not on dipstick. Drained about 2 quarts. Changed oil and filter, previous lube shop didn't put o-ring on filter housing drain plug, causing slow leak. Back today with same codes, has 1,086 miles since we last worked on it a ... |
September 08, 2016 |
