P0601
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE.
Internal Fault
Fault symptoms
On-Board Diagnostics
Type of diagnosis:
Enable criteria:
Fault criteria:
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-
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The control module has detected a check sum fault in the memory module.
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Dependents:
System reaction to a fault:
OK report:
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Checksum in memory module correct.
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Fault handling:
(See section
Fault handling III, other emissions-related components and functions
for more information)
Diagnostic help
See
Before changing a control module
.
Checking the wiring
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.
