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For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Aveo 🢒 Safety and Security 🢒 Supplemental Inflatable Restraints 🢒 DTC P0717

DTC P0717 Non European or N. American Emissions

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0717 Input Speed Sensor Circuit Low Voltage

Conditions for Setting the DTC
    • This DTC detects no signal of input shaft speed (ISS) sensor circuit for a long period of time. The revolution is 0-10,000 RPM.
    • The transmission control module (TCM) detects no pulse of the ISS sensor while the TCM detects 4 pulses of output speed sensor. This detection 1,000 times continuously.
    • D,2,L range selected
    • The engine revolution is 400 RPM or greater.
    • DTCs P0751, P0753, P0756, and P0758, are not set.
    • The output revolution is 775 RPM or greater.
    • 25 seconds later after Neutral (N) to Drive (D) shift
    • 10 seconds later after changing the gear

Action Taken When the DTC Sets
    • The TCM will request the illumination of the hold lamp and store the DTC when the TCM detects a failure on the first ignition cycle.
    • No lockup control
    • No engine torque reduction control
    • No engagement pressure control
    • No 4th gear
    • No self-learning control
    • No timing solenoid control N-D
    • After failure decision : emergency mode

Conditions for Clearing the DTC
    • The TCM turns OFF the hold lamp when no further failures are detected on the next ignition cycle.
    • The scan tool can clear the DTC from the TCM history.
    • The TCM clears the DTC from the TCM history memory after 40 consecutive ignition cycles without fault.
    • The TCM detects 250 pulses of ISS while failure detection is not achieved.

Cause of Failure
    • The wiring harness or connector between ISS sensor and TCM
    • The ISS sensor
    • The TCM

Step

Action

Values

Yes

No

1

Did you perform the Diagnostic System Check - Automatic Transmission?

--

Go to Step 2

Go to Diagnostic System Check - Automatic Transmission

2
  1. Turn OFF the ignition.
  2. Install the scan tool.
  3. With the engine OFF, turn the ignition switch to the ON position.
  4. Select Store Freeze Frame/Failure Records from the DTC Information menu.
  5. Store Freeze Frame/Failure Records.
  6. Select Clear DTC Information from the DTC Information menu.
  7. Clear the DTC Information.
  8. Perform 2 vehicle drive cycles.

Is the hold lamp ON?

--

Go to Step 3

Go to Step 5

3
  1. Select Request DTC by Status from the DTC information menu.
  2. Request DTC by Status.

Is DTC P0717 displayed?

--

Go to Step 4

Go to Step 5

4
  1. Turn OFF the ignition.
  2. Measure the resistance between the vehicle harness and the input shaft speed (ISS) sensor. Refer to Input Speed Sensor Inspection .
  3. Disconnect the transmission control module (TCM) connector and measure the resistance between terminal B6 and B16.

Is the measurement within the specified values?

20°C (68°F)

560-680 Ω

Go to Step 6

Go to Step 7

5

Repair the temporary connection failure of the connector. Refer to Connector Repairs .

Did you complete the repair?

--

System OK

--

6
  1. Inspect for damage between the vehicle wiring harness connector and the TCM.
  2. Inspect the connector. Refer to Wiring Harness and Connector Inspection Diagnosis .
  3. Inspect the connection condition between the connectors.

Is the connection condition OK?

--

Go to Step 8

Go to Step 5

7
  1. Inspect for damage of the transaxle harness or between the connectors of the ISS sensor.
  2. Disconnect the ISS sensor connector and inspect the resistance between terminals 1 and 2.

Is the measurement within the specified values?

20°C (68°F)

560-680 Ω

Go to Step 9

Go to Step 10

8
  1. Replace the TCM. Refer to Transmission Control Module Replacement .
  2. Perform the reproducing test under user condition after confirming no DTC.

Is DTC displayed?

--

Go to Step 2

System OK

9
  1. Inspect for damage of the T/M wire.
  2. Test the continuity and short circuit for the transaxle harness and inspect the connection condition between connectors. Refer to Wiring Harness and Connector Inspection Diagnosis .

Is the condition OK?

--

System OK

Go to Step 5

10

Replace the ISS. Refer to Input Speed Sensor Inspection .

Did you complete the replacement?

--

System OK

--

DTC P0717 European and N. American Emissions

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0717 Input Speed Sensor Circuit Low Voltage

Conditions for Setting the DTC
    • This DTC detects no signal of input shaft speed (ISS) sensor circuit for a long period of time. The revolution is 0-10,000 RPM.
    • The transmission control module (TCM) detects no pulse of ISS sensor while the TCM detects 4 pulses of output speed sensor. This detection 1,000 times continuously.
    • D,2,L range selected
    • The engine revolution is 400 RPM or greater.
    • DTCs P0751, P0753, P0756, and P0758 are not set.
    • The output revolution is 775 RPM or greater.
    • 25 seconds later after Neutral (N) to Drive (D) shift
    • 10 seconds later after changing the gear

Action Taken When the DTC Sets
    • The TCM will request the illumination of the malfunction indicator lamp (MIL) and store the DTC when the TCM detects a failure on the first ignition cycle.
    • No lockup control
    • No engine torque reduction control
    • No engagement pressure control
    • No 4th gear
    • No self-learning control
    • No timing solenoid control N-D
    • After failure decision : emergency mode

Conditions for Clearing the DTC
    • The TCM turns OFF the MIL when no further failures are detected on the next ignition cycles.
    • The scan tool can clear the DTC from the TCM history.
    • The TCM clears the DTC from the TCM history memory after 40 consecutive ignition cycles without fault.
    • The TCM detects 250 pulses of ISS while failure detection is not achieved.

Cause of Failure
    • The wiring harness or connector between ISS sensor and TCM
    • The ISS sensor
    • The TCM

Step

Action

Values

Yes

No

1

Did you perform the Diagnostic System Check - Automatic Transmission?

--

Go to Step 2

Go to Diagnostic System Check - Automatic Transmission

2
  1. Turn OFF the ignition.
  2. Install the scan tool.
  3. With the engine OFF, turn the ignition switch to the ON position.
  4. Select Store Freeze Frame/Failure Records from the DTC Information menu.
  5. Store Freeze Frame/Failure Records.
  6. Select Clear DTC Information from the DTC Information menu.
  7. Clear the DTC information.
  8. Perform 2 vehicle drive cycles.

Is the malfunction indicator lamp (MIL) ON?

--

Go to Step 3

Go to Step 5

3
  1. Select Request DTC by Status from the DTC Information menu.
  2. Request DTC by Status.

Is DTC P0717 displayed?

--

Go to Step 4

Go to Step 5

4
  1. Turn OFF the ignition.
  2. Measure the resistance between the vehicle harness and input shaft speed (ISS) sensor. Refer to Input Speed Sensor Inspection .
  3. Disconnect the transmission control module (TCM) connector and measure the resistance between terminal B6 and B16.

Is the measurement within the specified values?

20°C (68°F)

560-680 Ω

Go to Step 6

Go to Step 7

5

Repair the temporary connection failure of the connector. Refer to Connector Repairs .

Did you complete the repair?

--

System OK

--

6
  1. Inspect for damage between the vehicle wiring harness connector and the TCM.
  2. Inspect the connector. Refer to Wiring Harness and Connector Inspection Diagnosis .
  3. Inspect the connection condition between the connectors.

Is the connection condition OK?

--

Go to Step 8

Go to Step 5

7
  1. Inspect for damage of the transaxle harness or between the connectors of the ISS sensor.
  2. Disconnect the ISS sensor connector and inspect the resistance between terminals 1 and 2.

Is the measurement within the specified values?

20°C (68°F)

560-680 Ω

Go to Step 9

Go to Step 10

8
  1. Replace the TCM. Refer to Transmission Control Module Replacement .
  2. Perform the reproducing test under user condition after confirming no DTC.

Is DTC displayed?

--

Go to Step 2

System OK

9
  1. Inspect for damage of the T/M wire.
  2. Test the continuity and short circuit for the transaxle harness and inspect the connection condition between the connectors. Refer to Wiring Harness and Connector Inspection Diagnosis .

Is the condition OK?

--

System OK

Go to Step 5

10

Replace the ISS. Refer to Input Speed Sensor Inspection

Did you complete the replacement?

--

System OK

--