Please help, 2021 Pilot EX-L AWD 90K miles need new transmission!? (original owner, good maintenance record)
Hi, need advice as my 2021 Pilot EX-L AWD with 90K miles is getting Honda service advisor recommendation that needs new catalytic converter and transmission (!) after I brought it in with an emissions check engine light. The transmission replacement recommendation is a real shock, I've always done all recommended services (changed trans fluid at 57K miles). I did have the Honda OEM auxiliary trans cooler installed as part of tow package at about 67K miles and I've read that can sometimes spawn the P170B transmission code if the cooler perhaps wasn't installed with proper procedure? - the car is at that Honda dealer now (where the trans cooler was installed) for a 2nd opinion/recheck, which is also where I bought it and have done most service (the transmission replacement recommendation was from at a different Honda dealer). We currently have no symptoms related to bad transmission (jerking etc.). Below is the invoice report from the Honda dealer recommending transmission replacement. I don't have any extended warranty. Any advice/leads/tips appreciated!
Here's the report from the invoice: "INSPECTED VEHICLE AND CONFIRMED CUSTOMERS CONCERN (FOUND CHECK ENGINE LIGHT), PERFORMED AN ALL DTC CHECK AND FOUND 2 CODES REFERRING TO CHECK ENGINE LIGHT (PGM-FI DTC P0420 AND 9AT DTC P170B) PERFORMED TROUBLESHOOTING PGM-FI DTC P0420, FOUND ON TECH LINE THERE IS A WARRANTY EXTENSION ON THE FUEL INJECTORS FOR THIS CONCERN. ARTICLE STATES IF VEHICLE HAS P0420 OR P0430 YOU WILL HAVE TO CHECK FOR UPDATES ON PGM-FI AND TO PERFORM A/F CYLINDER TEST AND FAIL IN ORDER TO REPLACE INJECTORS. CHECKED FOR UPDATES AND FOUND SYSTEM IS UP TO DATE, PERFORMED A/F CYLINDER TEST AND CONFIRMED VEHICLE PASSSES ALL 6 CYLINDERS (BULLETIN 20-100 DOES NOT APPLY TO CONCERN) PROCEEDED TO PERFORM NORMAL TROUBLESOOTING, ERASED CODE AND TOOK VEHICLE FOR TEST DRIVE (8 MILES) AND RECHECKED FOR CODES, FOUND PENDING CODE P0420 RECOMMMEND TO REPLACE BANK 1 (REAR) CATALYLTIC CONVERTER THEN RECHECK AS PER TROUBLESHOOTING. PERFORMED TROUBLESHOOTING 9AT DTC P170B, ERASED CODE AND TOOK VEHICLE FOR TEST DRIVE (8 MILES) AND RECHECKED FOR CODES. FOUND CODE P170B DID COME BACK ON. RECOMMEND REPLACE TRANSMISSION THEN RECHECK AS PER TROUBLESHOOTING SUGGEST GUEST NOT TO DRIVE VEHICLE , TRANSMISSION MAY FAIL AT ANY TIME."