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by ericbeatty43
10 Jan 2025, 11:12
Forum: S60, V70, V70-XC 2001-07
Topic: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 2004 S6
Replies: 13
Views: 1008

Re: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 200

UPDATE! Problem solved! I removed the FMI1 relay for the A/C, replaced the 10A fuse in the #8 position of the underhood fuse box and everything was normal again. Now, my next task is to track down the short in the A/C compressor/clutch wiring. Luckily, here in the Pacific NW, I won't be needing A/C ...
by ericbeatty43
09 Jan 2025, 10:37
Forum: S60, V70, V70-XC 2001-07
Topic: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 2004 S6
Replies: 13
Views: 1008

Re: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 200

Thanks for the tip about the A/C relay. I'll give that a go to disable the A/C so I don't have to skin up my knuckles trying to wriggle my hand down to the wire connector on the compressor.
by ericbeatty43
09 Jan 2025, 08:19
Forum: S60, V70, V70-XC 2001-07
Topic: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 2004 S6
Replies: 13
Views: 1008

Re: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 200

Have you checked the fuses in the engine compartment? I read one of the fixes for these codes was replacing a blown 10A fuse (slot 11?) in the engine compartment, It's the fuse for the accelerator pedal sensor, cooling fan for electronics box engine compartment and AC compressor solenoid switch. I ...
by ericbeatty43
08 Jan 2025, 11:25
Forum: S60, V70, V70-XC 2001-07
Topic: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 2004 S6
Replies: 13
Views: 1008

Re: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 200

Have you checked the fuses in the engine compartment? I read one of the fixes for these codes was replacing a blown 10A fuse (slot 11?) in the engine compartment, It's the fuse for the accelerator pedal sensor, cooling fan for electronics box engine compartment and AC compressor solenoid switch. I ...
by ericbeatty43
07 Jan 2025, 16:01
Forum: S60, V70, V70-XC 2001-07
Topic: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 2004 S6
Replies: 13
Views: 1008

Re: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 200

If its in limp mode Vida will show why. You already spent more money on the wrong parts than a vida setup costs. If you own a laptop you can buy vida on a thumb drive($100) with its own operating system, all you need is a JRL cable. Google boot&go. Can you share a link to where to obtain these?...
by ericbeatty43
06 Jan 2025, 11:16
Forum: S60, V70, V70-XC 2001-07
Topic: P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 2004 S6
Replies: 13
Views: 1008

P2121 and P2122 OBD codes, "Reduced Engine Performance" message, engine will not rev above 1,000 RPM in Drive on 2004 S6

Hello everyone. I'm brand new to this community/forum. The subject line above summarizes my situation but here's a more expansive description. My daughter's 2004 S60 2.5T with automatic transmission went into Limp Mode a couple of weeks ago and became virtually undrivable. It starts up just fine and...