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

Test K: DTC U1016 - SCP Invalid Data Powertrain Control Module

PINPOINT TEST K: DTC U1016 - SCP INVALID DATA POWERTRAIN CONTROL MODULE


K1-K3:






K3 Continued:






K3-K4:






Normal Operation
The navigation system module receives a vehicle in reverse signal from the powertrain control module (PCM) through the standard corporate protocol (SCP) network.

Possible Causes
- PCM