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

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Read Readiness Code

Requirements
- must not be any DTCs stored in DTC memory, Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory

- Coolant temperature must be at least 80 degrees C, Diagnostic mode 1: Check measured values; PID 5, Coolant temperature. Diagnostic Mode 1: Check Measured Values

Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 1: Check measured values."
- Select desired measuring value "PID 01".
- Observe right 8-digit number block:

If all diagnoses have run through successfully, the 8-digit number block
Specified value: 00000000 must be displayed.

Evaluation PID 01: System status-information (right 8-digit number block:)







If a 1 is displayed instead of a 0 in the 8-digit number block:
- Generate readiness code. Readiness Code Generating (VW Drive Cycle)