Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

DTC IS ACTIVE
1. Ignition on, engine not running.
  NOTE: If a DTC is set for B1D8D or B1D8E or both, perform the diagnostic procedure(s) before continuing.
2. With the scan tool, select Clear Stored DTCs in the Memory Seat Module.
3. Move the Steering Column Telescope Switch to the Forward and Rearward positions several times, holding the switch in position for at least two seconds each time.
4. With the scan tool, select View DTCs in the Memory Seat Module.
  Does the DTC reset and/or remain active?
  
  Yes
  - Go to step 2
  No
  - Go to step 14
(P157) TELESCOPE STEERING MOTOR FORWARD/REARWARD DRIVER CIRCUIT - TEST TO GROUND

Fig 1: Checking Telescope Steering Motor Forward/Rearward Driver Circuit To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Steering Telescope Motor harness connector.
3. Turn the ignition on.
4. Using a 12-volt test light connected to 12 volts, check the (P157) Telescope Steering Motor Forward/Rearward Driver circuit.
5. Monitor the test light with the Steering Column Telescope Switch in the Forward position, the Rearward position and with the switch at rest.
6. The test light should be illuminated and bright only when the switch is in the Rearward position.
  Does the test light illuminate as described?
  
  Yes
  - Go to step 3
  No
  - Go to step 6
(P953) TELESCOPE STEERING MOTOR COMMON CIRCUIT - TEST TO GROUND

Fig 2: Checking Telescope Steering Motor Common Circuit To Ground
Courtesy of CHRYSLER LLC
1. Using a 12-volt test light connected to 12 volts, check the (P953) Telescope Steering Motor Common circuit.
2. Monitor the test light with the Steering Column Telescope Switch in the Forward position, the Rearward position and with the switch at rest.
3. The test light should be illuminated and bright when the switch is in the Forward position and when the switch is at rest.
  Does the test light illuminate as described?
  
  Yes
  - Go to step 4
  No
  - Go to step 9
(P157) TELESCOPE STEERING MOTOR FORWARD/REARWARD DRIVER CIRCUIT - TEST TO VOLTAGE

Fig 3: Checking Telescope Steering Motor Forward/Rearward Driver Circuit To Voltage
Courtesy of CHRYSLER LLC
1. Using a 12-volt test light connected to ground, check the (P157) Telescope Steering Motor Forward/Rearward Driver circuit.
2. Monitor the test light with the Steering Column Telescope Switch in the Forward position, the Rearward position and with the switch at rest.
3. The test light should be illuminated and bright only when the switch is in the Forward position.
  Does the test light illuminate as described?
  
  Yes
  - Go to step 5
  No
  - Go to step 6
(P953) TELESCOPE STEERING MOTOR COMMON CIRCUIT - TEST TO VOLTAGE

Fig 4: Checking Telescope Steering Motor Common Circuit To Voltage
Courtesy of CHRYSLER LLC
1. Using a 12-volt test light connected to ground, check the (P953) Telescope Steering Motor Common circuit.
2. Monitor the test light with the Steering Column Telescope Switch in the Forward position, the Rearward position and with the switch at rest.
3. The test light should be illuminated and bright only when the switch is in the Rearward position.
  Does the test light illuminate as described?
  
  Yes
  - Go to step 12
  No
  - Go to step 9
(P157) TELESCOPE STEERING MOTOR FORWARD/REARWARD DRIVER CIRCUIT SHORTED TO GROUND

Fig 5: Checking Telescope Steering Motor Forward/Rearward Driver Circuit For Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Memory Seat Module (MSM) C1 connector.
3. Turn the ignition on.
4. Using a 12-volt test light connected to 12 volts, check the (P157) Telescope Steering Motor Forward/Rearward Driver circuit.
  Does the test light illuminate?
  
  Yes
  - Repair the (P157) Telescope Steering Motor Forward/Rearward Driver circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 7
(P157) TELESCOPE STEERING MOTOR FORWARD/REARWARD DRIVER CIRCUIT OPEN

Fig 6: Checking Telescope Steering Motor Forward/Rearward Driver Circuit For Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance of the (P157) Telescope Steering Motor Forward/Rearward Driver circuit.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Repair the (P157) Telescope Steering Motor Forward/Rearward Driver circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 8
(P157) TELESCOPE STEERING MOTOR FORWARD/REARWARD DRIVER CIRCUIT SHORTED TO VOLTAGE

Fig 7: Checking Telescope Steering Motor Forward/Rearward Driver Circuit For Short To Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition on.
2. Measure the voltage of the (P157) Telescope Steering Motor Forward/Rearward Driver circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (P157) Telescope Steering Motor Forward/Rearward Driver circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 13
(P953) TELESCOPE STEERING MOTOR COMMON CIRCUIT SHORTED TO GROUND

Fig 8: Checking Telescope Steering Motor Common Circuit For Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Memory Seat Module (MSM) C1 connector.
3. Turn the ignition on.
4. Using a 12-volt test light connected to 12 volts, check the (P953) Telescope Steering Motor Common circuit.
  Does the test light illuminate?
  
  Yes
  - Repair the (P953) Telescope Steering Motor Common circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 10
(P953) TELESCOPE STEERING MOTOR COMMON CIRCUIT OPEN

Fig 9: Checking Telescope Steering Motor Common Circuit For Open
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance of the (P953) Telescope Steering Motor Common circuit.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Repair the (P953) Telescope Steering Motor Common circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 11
(P953) TELESCOPE STEERING MOTOR COMMON CIRCUIT SHORTED TO VOLTAGE

Fig 10: Checking Telescope Steering Motor Common Circuit For Short To Voltage
Courtesy of CHRYSLER LLC
1. Turn the ignition on.
2. Measure the voltage of the (P953) Telescope Steering Motor Common circuit.
  Is there any voltage present?
  
  Yes
  - Repair the (P953) Telescope Steering Motor Common circuit for a short to voltage.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Go to step 13
STEERING COLUMN TELESCOPE MOTOR
1. Inspect the wiring between the Memory Seat Module harness connector and the Steering Column Telescope Motor harness connector for a short to ground or to any other circuit. If any problems are found, repair as necessary. If no problems are found, view repair.
  Repair
  - Replace the Steering Column Telescope Motor in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
MEMORY SEAT MODULE (MSM)
1. Inspect the wiring between the Memory Seat Module harness connector and the Steering Column Telescope Motor harness connector for a short to ground or to any other circuit. If any problems are found, repair as necessary. If no problems are found, view repair.
  Repair
  - Replace the Memory Seat Module (MSM) in accordance with the Service Information.
  - Perform the POWER SEAT SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Memory Seat (MSMD) - Standard Procedure .
INTERMITTENT STEERING COLUMN TELESCOPE MOTOR CONTROL CIRCUIT PERFORMANCE DTC
1. The conditions necessary to set this DTC are not present at this time.
2. While monitoring the scan tool data relative to this circuit, wiggle test the component and connectors and move the switch to each position.
3. Look for the data to change other than as expected or for the DTC to reset during the wiggle test.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Test complete.