Skip to content
Drivetrain Resource
  • Home
  • GM Automatic Transmissions
    • 200-4R Identification and Specs
    • All About the 4L70E
    • 8L90E Specs, Performance, and Identification
    • 6L80E Specs + Identification
    • TH400 Transmission Specs, ID, and Common Problems
    • TH350 Transmission Identification
    • 4L60E Identification: Complete Guide
    • 4L80E Transmission Identification
    • Identifying a 700R4
  • Trouble Codes
  • About
    • Contact
    • Terms of Service and Privacy

Jason

Subaru BRZ P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Subaru BRZ. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Subaru BRZ

Subaru Baja P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Subaru Baja. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Subaru Baja

Mazda BT-50 P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda BT-50. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda BT-50

Mazda CX-9 P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda CX-9. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda CX-9

Mazda CX-8 P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda CX-8. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda CX-8

Mazda CX-5 P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda CX-5. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda CX-5

Mazda CX-3 P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda CX-3. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda CX-3

Mazda Miata P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda Miata. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda Miata

Mazda MX-5 P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda MX-5. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda MX-5

Mazda 6 P0121: TPS → Switch “A” Circuit Range → Performance Problem

November 27, 2018 by Jason

P0121 is a relatively common trouble code with the Mazda 6. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode.     OBDII code P0121 is a serious problem that requires serious attention. Diagnosing it can … Read more

Categories Mazda 6
Older posts
Newer posts
← Previous Page1 … Page12,117 Page12,118 Page12,119 … Page12,843 Next →
  1. Jason on Mazda 6 P0320: Meaning, Causes, & Diagnosis

    That is RIDICULOUS, Cheryl. You can't get anything right now...

  2. Cheryl on Mazda 6 P0320: Meaning, Causes, & Diagnosis

    RECALLS! January 2022 Jason, “MAZDA6 shuts down while driving” fuel pump not monitored, may be no engine light etc. SEE…

  3. James Greer on 4L60E Identification: Complete Guide

    I think it's a 15 pin plug and two wires change on the plug fro 95 to. 97 it's a…

  4. Patrick Crawford Jr on 4L60E Identification: Complete Guide

    I have a 2007 h3 hummer base model. Had transmission rebuilt (Pro).My problem is that when it gets around 35…

© 2026 Drivetrain Resource • Built with GeneratePress