Dodge Nitro. Manual — part 210

Cycle the ignition switch from off to on.

With the scan tool, read DTCs.

Does the scan tool display: U0401-IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM?

Yes

Go to 2).

No

Perform the ABS INTERMITTENT CONDITION diagnostic procedure.

2) CHECK IF TIPM CAN BUS DTCs ARE PRESENT

With the scan tool, read TIPM DTCs.

Are there any TIPM CAN BUS DTCs present?

Yes

Refer to the appropriate diagnostic. See DIAGNOSIS AND TESTING.

Perform ABS VERIFICATION TEST.

No

Go to 3).

3) CHECK IF ENGINE DTCs ARE PRESENT

With the scan tool, read Engine DTCs.

Are there any Engine DTCs present?

Yes

Refer to the Engine ELECTRICAL DIAGNOSTICS article and diagnose the appropriate symptom.

Perform ABS VERIFICATION TEST.

No

Using the schematics as a guide, check the Anti-Lock Brake Module pins, terminals, and
connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and
ground circuits. If no problems are found, replace the Anti-Lock Brake Module per the Service
Information.

Perform ABS VERIFICATION TEST.

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

U0429-IMPLAUSIBLE DATA RECEIVED FROM SCM

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With ignition on, but not if low voltage is detected.

Or, if a CAN Bus off event is detected.

Set Condition:

If the Anti-Lock Brakes Module detects either the sequence or integrity of the Steering Angle Sensor
messages is invalid.

Diagnostic Test

1) CHECK IF COMMUNICATION RELATED DTCs ARE PRESENT

Turn the ignition on.

With the scan tool, read ABS DTCs.

Are any Communication related DTCs present?

Yes

Diagnose and repair the DTC(s). Refer to the DIAGNOSTIC CODE INDEX for a complete list of
symptoms.

Perform ABS VERIFICATION TEST.

No

Go to 2).

2) CHECK IF OTHER STEERING ANGLE SENSOR RELATED DTCs ARE PRESENT

With the scan tool, read ABS DTCs.

Are any other STEERING ANGLE SENSOR DTCs present?

Possible Causes

CAN C BUS CIRCUIT(S) SHORTED
LOAD TOO HIGH ON CAN C BUS
STEERING ANGLE SENSOR DTCs PRESENT
ANTI-LOCK BRAKES MODULE

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Yes

Diagnose and repair the DTC(s). Refer to the DIAGNOSTIC CODE INDEX for a complete list of
symptoms.

Perform ABS VERIFICATION TEST.

No

Replace the Steering Angle Sensor in accordance with the Service Information.

Perform ABS VERIFICATION TEST.

U1003-ESP CAN C BUS PERFORMANCE

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro

Fig. 73: Dynamics Sensor Circuit Schematic
Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:

With the ignition on.

Set Condition:

2007 Dodge Nitro R/T

2007 BRAKES ABS - Electrical Diagnostics - Nitro