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)

Or, hide this message: temporarily or permanently

With Scan Tool

NOTE: Memory to radio, phone, and other programmable accessories may be erased when the battery is disconnected.

1. Verify code(s) were received in Key ON Engine Off (KOEO) Self Test.

2. Disconnect negative battery cable and depress brake pedal for 10 seconds to erase codes in memory.

3. Rerun KEY ON ENGINE OFF (KOEO) Self Test.

IF NO SERVICE CODES, see Key On Engine Running (KOER) Self Test.

IF ONE OR MORE SERVICE CODES, see Diagnostic Trouble Code (DTC) Charts Testing and Inspection

NOTE: If codes received in Key ON Engine Off (KOEO) Self Test from the first time cannot be duplicated it may be necessary to tap suspected sensors, shake and wiggle component harness, or drive the vehicle in order to induce a failure.