TROUBLESHOOTING FLASH CODE 57
[b] If OEM devices are installed, refer to section 57.3.4. Refer to step 1
Perform the following steps to disconnect nodes.
1. Start and run engine with OEM installed devices disconnected.
[a] If the disconnect does not solve the problem, continue the procedure. Refer to step 2
[b] If the disconnect solved the problem, Refer to step 44[a].
2. Connect vehicle interface module using J 41005.
3. Start and run engine.
4. Observe CEL codes.
[a] If no CEL or codes are displayed, contact OEM for instructions on how to proceed.
Refer to section 57.3.5. Fault is in node/wiring.
[b] If CEL is on with code 249/12 logged, install a test ECM. Refer to section 57.3.5.
Perform the following steps to verify repairs.
1. Turn vehicle ignition OFF.
2. Reconnect all connectors.
All information subject to change without notice.
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