Econoline E550 V8-7.3L DSL Turbo VIN F (2002)
P1635 - P1639: Testing and Inspection
For diagnosis of code P1636 refer to the system experiencing the problem.
Computers and Control Systems
P1502 Thru P1640
NOTE 18: DTC 1636 indicates the PCM has lost communication with the Inductive Signature Chip. Replace the PCM (refer to Flash Electrically
Eraseable Programmable Read Only Memory - Flash EEPROM).
If there is no link in the chart then:
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This code is not a valid code for this vehicle
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Or information published by the manufacturer for this vehicle did not include this code
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For complete diagnosis of the Engine Control system, follow this link: See: Powertrain Management/Computers and Control Systems/Testing and
Inspection
Transmission Control System - 4R100