Fault Code 53


Description:  Internal logic module fault
Power loss light:  Off
Limp-in mode:  None

Possible Causes

Bad connection or wiring - Check the wiring and connections between the logic module and the power module.  Make sure the logic module is getting all of its power feeds and that it is properly grounded (through the ground lug at the fuel rail).  Clean and regrease any corroded connectors with dielectric grease and repair any shorts.

Logic module or SMEC failure - Replace the module.

Diagnostic Method

Trigger Parameters

- Logic module failed an internal diagnostic

Results If Component Fails

Fault code 53 is stored.
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This page is maintained by Russell W. Knize and was last updated 08/28/98. Comments? Questions? Send email.

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