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

Opel Insignia P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Opel Insignia. 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 Opel Insignia

Opel Corsa P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Opel Corsa. 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 Opel Corsa

Opel Cascada P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Opel Cascada. 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 Opel Cascada

Opel Astra P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Opel Astra. 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 Opel Astra

Opel Adam P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Opel Adam. 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 Opel Adam

Buick Terraza P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Buick Terraza. 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 Buick Terraza

Buick Rainier P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Buick Rainier. 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 Buick Rainier

Buick Lucerne P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Buick Lucerne. 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 Buick Lucerne

Buick LeSabre P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Buick LeSabre. 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 Buick LeSabre

Buick Envision P0121: TPS → Switch “A” Circuit Range → Performance Problem

December 27, 2018 by Jason

P0121 is a relatively common trouble code with the Buick Envision. 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 Buick Envision
Older posts
Newer posts
← Previous Page1 … Page11,575 Page11,576 Page11,577 … 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