SEAL 3N2813 - Caterpillar

Engine: 3516C (S/N: SKC1-UP; TKG1-UP; SCJ1-UP; TKJ1-UP; SCK1-UP; SFK1-UP; TKK1-UP) C175-16 (S/N: WYC1-UP)Introduction
When the SCR catalyst is replaced on any Tier 4 Interim or Tier 4 Final Engine, the following procedure must be used. The procedure will ensure that the catalyst life is reset within the ECM.Do not perform any procedure in this Special Instruction until you have read this entire Special Instruction and you understand this information.Selective Catalytic Reduction (SCR) Maintenance on Tier 4 Interim and Final Products
The Aftertreatment SCR Catalyst Replacement procedure must be performed when the SCR Catalyst has been replaced. This procedure is necessary to ensure that the engine meets emissions requirements. Follow the procedure below to reset the SCR Catalyst model in the aftertreatment software.
Connect to Cat® ET.
Connect to "Selective Catalyst Reduction System".
Select "Service" from the top menu and select "Service Procedures".
Illustration 1 g03806105
Select "Aftertreatment #1 SCR Catalyst Replacement" and select "Start".
Illustration 2 g03740210
Select "Reset".
Illustration 3 g03740216
Read the warning and select "Accept" in order to continue.
Enter the factory passwords to continue.
Illustration 4 g03740230
Once the reset is completed, a log of the reset is captured and visible as a new row of information in the "Aftertreatment #1 SCR Catalyst Replacement" screen.