Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Test Notes

Diagnostic Trouble Codes
P1747/624, 625, P1746 Electronic Pressure Control Error Detected

Components
- Transmission Wiring Harness, electronic pressure control, electronic pressure control power.
- Powertrain Control Module.

NOTE: This Pinpoint Test is designed to diagnosis the electronic pressure control solenoid electrical system ONLY. To prevent replacement of good components, note that the following areas may be at fault:
^ Engine - Performance
^ Electrical - Battery, input sensors, wiring harnesses